AIPMT 2007
Paper was held on Sun, May 6, 2007 10:00 AM
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Biology

ICBN stands for
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The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for
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Which one of the following is a slime mould?
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Which one of the following statements about mycoplasma is wrong?
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Which pair of the following belongs to basidiomycetes?
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In gymnosperms, the pollen chamber represents
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Spore dissemination in some liverworts is added by
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In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result
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If you are asked to classify the various algae into distinct groups, which of the following characters you should choose
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Flagellated male gametes are present in all the three of which one of the following sets?
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Which one of the following is a matching pair of body feature and the animal possessing it?
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Which of the following pairs are correctly matched? .tg {border-collapse:collapse;border-spacing:0;border:none;} .tg t
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What is true about Nereis, scorpion, cockroach and silver fish?
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What is common between parrot, platypus and kangaroo?
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Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing micro-organism?
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About 98 percent of the mas of every living organism is composed of just six elements including carbon, hydrogen, nitrog
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Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure defic
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Which one of the following elements is not an essential micronutrient for plant growth?
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A plant requires magnesium for
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The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is
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In the leaves of C4 plants, malic acid formation during CO2 fixation occurs in the cells of
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All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial memb
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The overall goal of glycolysis, Krebs' cycle and the electron transport system is the formation of
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The wavelength of light absorbed by Pr form of phytochrome is
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Opening of floral buds into flowers, is a type of
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Which one of the following pairs, is not correctly matched?
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Which one of the following is a fat-soluble vitamin and its related deficiency diseade?
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A drop of each of the following, is placed separately on four slides. Which of them will not coagulate?
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A person who is on a long hunger strike and is surviving only on water, will have
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In human body, which one of the following is anatomically correct?
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Which one of the following items gives its correct total number?
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During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane h
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Bowman's glands are located in the
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Feeling the tremors of an earthquake a scared resident of seventh floor of a multistoryed building starts climbing down
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A person is having problems with calcium and phosphorus metabolism in his body. Which one of the following glands may no
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Two plants can be conclusively said to belong to the same species if they
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Male gametes in angiosperms are formed by the division of
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Which one of the following is surrounded by a callose wall?
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Which part of ovary in mammals acts as an endocrine gland after ovulation ?
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In the human female, menstruation can be deferred by the administration of:-
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A human male produces sperms with the genotypes AB, Ab, AB, and ab pertaining to two diallelic characters in equal propo
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In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seeded plant is crossed with a green seeded
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Inheritance of skin colour in humans is an example of:-
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A common test to find the genotype of a hybrid is by:-
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In the hexaploid wheat, the haploid(n) and basic(x) numbers of chromosomes are :
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The concept of chemical evolution is based on-
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When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed:
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Adaptive radiation refers to:-
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The finches of Galapogas islands provide an evidence in favour of-
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If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evi
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Lysozyme that is present in perspiration, saliva and tears, destroys:
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Increased asthmatic attacks in certain seasons are related to:
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Compared to a bull a bullok is docile because of:-
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Which one of the following is a viral disease of poultry ?
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In maize, hybrid vigour is exploited by:-
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In cloning of cattle a fertilized egg is taken out of the mother's womb and:-
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Which one of the following pairs is wrongly matched ?
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Probiotics are-
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A genetically engineered micro-organism used successfully in bioremediation of oil spills is a species of-
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Geometric representation of age structure is a characteristic of :-
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The population of an insect species shows an explosive increase in numbers during rainy season followed by its disappear
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If the mean and the median pertaining to a certain character of a population are of the same value, the following is mos
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A high density of elephant population in an area can result in :-
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Which one of the following ecosystem types has the highest annual net primary productivity ?
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Which one of the following pairs of organisms are exotic species introduced in India ?
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Identify the odd combination of the habitat and the particular animal concerned :
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One of endangered species of Indian medicinal plants is that of:-
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In which one of the following the BOD (Biochemical Oxygen Demand) of sewage (S), distillery effluent (DE), paper mill ef
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Which one of the following is not a bioindicator of water pollution ?
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Which one of the following statements is correct ?
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In a coal fired power plant electrostatic precipitators are installed to control emission of:-
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Passage cells are thin-walled cells found in:-
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For a critical study of secondary growth in plants, which one of the following pairs is suitable ?
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Which one of the following pairs of structures distinguishes a nerve cell from other types of cell ?
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In which one of the following preparations are you likely to come across cell junctions most frequently ?
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Which one of the following is not a constituent of cell membrane ?
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Biological organization starts with:-
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Select the wrong statement from the following:
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Which one of the following statements is correct?
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Chemistry

An element, X has the following isotopic composition: 200X : 90%  199X : 8.0%  202X : 2.0% The weig
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Consider the following sets of quantum numbers : .tg {border-collapse:collapse;border-spacing:0;border:none;} .tg td{
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Which one of the following ionic species has the greatest proton affinity to form stable compound ?
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Identify the correct order of the size of the following :
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With which of the following electronic configuration an atom has the lowest ionisation enthalpy ?
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In which of the following pairs, the two species are isostructural?
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The correct order of C $$-$$ O bond length among CO, CO$${_3^{2 - }}$$, CO2 is
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Consider the following reactions : (i) H+(aq) + OH$$-$$(aq) = H2O(l),  $$\Delta $$H = $$-$$ X1 kJ mol$$-
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Given that bond energies of H $$-$$ H and Cl $$-$$ Cl are 430 kJ mol$$-$$1 and 240 kJ mol$$-$$1 respectively and $$\Delt
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The equilibrium constants of the following are N2 + 3H2 $$\rightleftharpoons$$ 2NH3;     K1 N2
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A weak acid, HA, has a Ka of 1.00 $$ \times $$ 10$$-$$5. If 0.100 mol of this acid is dissolved in one litre of water, t
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Calculate the pOH of a solution at 25oC that contains 1 $$ \times $$ 10$$-$$10 M of hydronium ions, i.e. H3O+.
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CH3 $$-$$ CHCl $$-$$ CH2 $$-$$ CH3 has a chiral centre. Which one of the following represents its R-configuration?
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The order of decreasing reactivity towards an electrophilic reagent, for the following would be (i) benzene (ii) tolu
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For (i) I$$-$$, (ii) Cl$$-$$, (iii) Br$$-$$, the increasing order of nucleophilicity would be
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Predict the product C obtained in the following reaction of 1-butyne.
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Which of the compound with molecular formula C5H10 yields acetone on ozonolysis?
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If there is no rotation of plane polarised light by a compound in a specific solvent, through to be chiral, it may mean
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In the reaction : Which of the following compounds will be formed?
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The correct order of increasing thermal stability of K2CO3, MgCO3, CaCO3 and BeCO3 is
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In which of the following the hydration energy is higher than the lattice energy?
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Reduction of aldehydes and ketones into hydrocarbons using zinc amalgam and conc. HCl is called
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The product formed in Aldol condensation is
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Consider the following compounds The correct decreasing order of their reactivity towards hydrolysis is
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Which of the following represents the correct order of the acidity in the given compounds ?
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Which one of the following on treatment with 50% aqueous sodium hydroxide yields the corresponding alcohol and acid?
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Which one of the following on reduction with lithium aluminium hydride yields a secondary amine?
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Which of the following vitamins is water-soluble?
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RNA and DNA are chiral molecules, their chirality is due to
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Which one of the following polymers is prepared by condensation polymerisation?
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The fraction of total volume occupied by the atoms present in a simple cube is
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If NaCl is doped with 10$$-$$4 mol% of SrCl2, the concentration of cation vacancies will be (NA = 6.02 $$ \times $$ 1023
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Concentrated aqueous sulphuric acid is 98% H2SO4 by mass and has a density of 1.80 g mL$$-$$1. Volume of acid required t
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0.5 molal aqueous solution of a weak acid (HX) is 20% ionised. If Kf for water is 1.86 K kg mol$$-$$1, the lowering in f
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The equilibrium constant of the reaction: Cu(s) + 2Ag+(aq) $$ \to $$ Cu2+(aq) + 2Ag(s); Eo = 0.46 V at 298 K is
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The efficiency of a fuel cell is given by
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If 60% of a first order reaction was completed in 60 minutes, 50% of the same reaction would be completed in approximate
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In a first-order reaction A $$ \to $$ B, if k is rate constant and initial concentration of the reactant A is 0.5 M, the
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The reaction of hydrogen and iodine monochloride is given as : H2(g) + 2ICl(g) $$ \to $$ 2HCl(g) + I2(g) This reaction
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The Langmuir adsorption isotherm is deduced using the assumption
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Which of the following oxidation states are the most characteristic for lead and tin respectively?
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Which of the following anions is present in the chain structure of silicates?
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Which one of the following orders correctly represents the increasing acid strengths of the given acids?
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Which of the following statements, about the advantage of roasting of sulphide ore before reduction is not true?
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Sulphide ores of metals are usually concentrated by froth floatation process. Which one of the following sulphide ores o
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Which one of the following ions is the most stable in aqueous solution? (At. No. Ti = 22, V = 23, Cr = 24, Mn = 25)
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Identify the incorrect statement among the following:
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Which of the following will give a pair of enantiomorphs? (en = NH2CH2CH2NH2)
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The d electron configurations of Cr2+, Mn2+, Fe2+ and Ni2+ are 3d4, 3d5, 3d6 and 3d8 respectively. Which one of the foll
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Physics

Dimensions of resistance in an electrical circuit, in terms of dimension of mass M, of length L, of time T and of curre
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A particle moving along x-axis has acceleration f, at time t, given by f = f0$$\left( {1 - {t \over T}} \right),$$ where
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A car moves from X to Y with a uniform speed vu and returns to Y with a uniform speed vd. The average speed for this rou
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The positions x of a particle with respect to time t along x-axis is given by x = 9t2 $$-$$ t3 where x is in metres and
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$$\overrightarrow A $$ and $$\overrightarrow B $$ are two vectors and $$\theta $$ is the angle between them, if $$\left
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A particle starting from the origin (0, 0) moves in a straight line in the (x, y) planes. Its coordinates at a later tim
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A block B is pushed momentarily along a horizontaly surface with an initial velocity V. If  $$\mu $$  is the c
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A vertical spring with force constant k is fixed on a table. A ball of mass m at a height h above the free upper end of
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A particle of mass m moves in the XY plane with a velocity v along the straight line AB. If the angular momentum of the
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A uniform rod AB of length $$l$$ and mass m is free to rotate about point A. The rod is released from rest in the horizo
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A wheel has angular acceleration of 3.0 rad/sec2 and an initial angular speed of 2.00 rad/sec. In a time of 2 sec it has
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Two satellites of earth, S1 and S2 are moving in the same orbit. The mass of S1 is four times the mass of S2. Which one
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Assuming the sun to have a spherical outer surface of radius r, radiating like a black body at temperature toC, the powe
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A black body is at 727oC. It emits energy at a rate which is proportional to
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An engine has an efficiency of 1/6. When the temperature of sink is reduced by 62oC, its efficiency is doubled. Temperat
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A particle executes simple harmonic oscillation with an amplitude $$a$$. The period of oscillation is T. The minimum tim
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A mass of 2.0 kg is put on a flat pan attached to a vertical spring fixed on the ground as shown in the figure. The mass
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The particle executing simple harmonic motion has a kinetic energy K0cos2$$\omega $$t. The maximum values of the potenti
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The phase difference between the instantaneous velocity and acceleration of a particle executing simple harmonic motion
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Charges +q and $$-$$q are placed at points A and B respectively which are a distance 2L apart, C is the midnight between
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A hollow cylinder has a charge q coulomb within it. If $$f$$ is the electric flux in units of voltmeter associated with
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Three point charges +q, $$-$$ 2q and + q are placed at points (x = 0, y = a, z = 0), (x = 0, y = 0, z = 0) and (x = $$a$
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Two condensers, one of capacity C and other of capacity C/2 are connected to a V-volt battery, as shown in the figure. T
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The total power dissipated in watt in the circuit shown here is
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Three resistances, P, Q, R each of 2$$\Omega $$ and an unknown resistance S from the four arms of a Wheatstone bridge ci
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Under the influence of a uniform magnetic field, a charged particle moves with constant speed v in a circle of radius R.
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The resistance of an ammeter is 13 $$\Omega $$ and its scale is graduated for a current upto 100 amps. After an addition
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Nickel shows ferromagnetic property at room temperature. If the temperature is increased beyond Curie temperature, then
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A charged particle (charge q) is moving in a circle of radius R with uniform speed v. The associated magnetic moment $$\
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A transformer is used to light a 100 W and 110 V lamp from a 220 V mains. If the main current is 0.5 amp, the efficiency
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What is the value of inductance L for which the current is maximum in a series LCR circuit with C = 10 $$\mu $$F and $$\
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The primary and secondary coils of a transformer have 50 and 1500 turns respectively. If the magnetic flux $$\phi $$ lin
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The electric and magnetic field of an electromagnetic wave are
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A small coin is resting on the bottom of a beaker filled with liquid . A ray of light from the coin travels upto the sur
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The frequency of a light wave in a material is 2 $$ \times $$ 1014 Hz and wavelength is 5000 $$\mathop A\limits^ \circ
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Monochromatic light of frequency 6.0 $$ \times $$ 1014 Hz is produced by a laser. The power emitted is 2 $$ \times $$ 10
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A beam of electron passes undeflected through mutually perpendicular electric and magnetic fields. If the electric field
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A 5 watt source emits monochromatic light of wavelength 5000 $$\mathop A\limits^ \circ $$. When placed 0.5 m away, it l
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Two radioactive substances A and B have decay constants 5$$\lambda $$ and $$\lambda $$ respectively. At t = 0 they have
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In a radioactive decay process, the negatively charged emitted $$\beta $$-particles are
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In a mass spectrometer used for measuring the masses of ions, the ions are initially accelerated by an electric potentia
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A nucleus $${}_Z^AX$$ has mass represented by M(A, Z). If Mp and Mn denote the mass of proton and neutron respectively a
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If the nucleus $${}_{13}^{27}Al$$ has a nuclear radius of about 3.6 fm, them $${}_{32}^{125}Te$$ would have its radius a
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The total energy of electron in the ground state of hydrogen atom is $$-$$ 13.6 eV. The kinetic energy of an electron in
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Which one of the following represents forward bias diode ?
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In the following circuit, the output Y for all possible inputs A and B is expressed by the truth table.
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For a cubic crystal structure which one of the following relations indicating the cell characteristics is correct ?
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In the energy band diagram of a material shown below, the open circles and filled circles denote holes and electrons res
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