AIPMT 2015
Paper was held on Sat, Jul 25, 2015 10:00 AM
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Biology

Which one is a wrong statement?
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The structures that help some bacteria to attach to rocks and/or host tissues are
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In which group of organisms the cell walls form two thin overlapping shells which fit together?
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Select the wrong statement.
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Pick up the wrong statement.
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Choose the wrong statement.
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Cell wall is absent in
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Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development ar
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Metagenesis refers to
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A jawless fish, which lays eggs in fresh water and whose ammocoetes larvae after metamorphosis return to the ocean is
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The wheat grain has an embryo with one large, shield shaped cotyledon known as
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Among China rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?
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Axile placentation is present in
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Roots play insignificant role in absorption of water in
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Which of the following biomolecules does have a phosphodiester bond?
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The chitinous exoskeleton of arthropods is formed by the polymerisation of
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Arrange the following events of meiosis in correct sequence (i)  Crossing over (ii)  Synapsis (iii)
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Root pressure develops due to
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A column of water within xylem vessels of tall trees does not break under its weight because of
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The oxygen evolved during photosynthesis, comes from water molecules. Which one of the following pairs of elements is in
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During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by
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Chromatophores take part in
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In photosynthesis, the light-independent reactions take place at
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Auxin can be bioassayed by
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The enzyme that is not present in succus entericus is
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The primary dentition in human differs from permanent dentition in not having one of the following type of teeth.
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Name the pulmonary disease in which alveolar surface area involved in gas exchage is drastically reduced due to damage i
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Which one of the following animals has two separate circulatory pathways?
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Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when
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Human urine is usually acidic because
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Which of the following is not a function of the skeletal system?
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Which of the following joints would allow no movements?
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Destruction of the anterior horn cells of the spinal cord would result in loss of
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In mammalian eye, the 'fovea' is the center of the visual field, where
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Which one of the following hormones though synthesised elsewhere, is stored and released by the master gland?
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Which one of the following hormones is not involved in sugar metabolism?
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Which of the following pairs is not correctly matched?
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In angiosperms, microsporogenesis and mega-sporogenesis
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Filiform apparatus is characteristic feature of
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Flowers are unisexual in
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Coconut water from a tender coconut is
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Which one of the following fruits is parthenocarpic?
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Male gametophyte in angiosperms produces
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In human females, meiosis-II is not completed until
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Ectopic pregnancies are referred to as
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Which of the following events is not associated with ovulation in human life?
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Which of the following layers in an antral follicle is acellular?
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A childless couple can be assisted to have a child through a technique called GIFT. The full form of this technique is :
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Which one of the following is not applicable to RNA?
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Balbiani rings are sites of :
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Identify the correct order of organisation of genetic material from largest to smallest :
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Satellite DNA is important because it :
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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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Which of the following immunoglobulins does constitute the largest percentage in human milk?
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Which of the following diseases is caused by a protozoan?
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Grafted kidney may be rejected in a patient due to -
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A protoplast is a cell -
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Outbreeding is an important strategy of animal husbandry because it :
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Match the following list of microbes and their importance - .tg {border-collapse:collapse;border-spacing:0;width:100%
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The DNA molecule to which the gene of interest is integrated for cloning is called -
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The cutting of DNA at specific locations became possible with the discovery of -
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Golden rice is a genetically modified crop plant where the incorporated gene is meant for biosynthesis of -
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The introduction of t-DNA into plants involves -
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An association of individuals of different species living in the same habitat and having functional interactions is -
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In which of the following interactions both partners are adversely affected?
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Most animals that live in deep oceanic waters are -
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During ecological succession :
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In which of the following both pairs have correct combination?
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The species confined to a particular region and not found elsewhere is termed as -
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Acid rain is caused by increase in the atmospheric concentration of -
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Eutrophication of water bodies leading to killing of fishes is mainly due to nonavailability of -
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The UN conference of Parties on climate change in the year 2012 was held at :
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Increase in concentration of the toxicant at successive trophic levels is known as :
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Which of the following are most suitable indicators of SO2 pollution in the environment?
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Read the different components from (1) to (4) in the list given below and tell the correct order of the components with
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The body cell in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of -
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The function of the gap junction is to -
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Match the columns and identify the correct option. .tg {border-collapse:collapse;border-spacing:0;width:100%} .tg td{f
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Cellular organelles with membranes are -
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Which of the following structures is not found in a prokaryotic cell?
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Which of the following are not membranebound ?
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The imperfect fungi which are decomposers of litter and help in mineral cycling belong to
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Chemistry

What is the mass of the precipitate formed when 50 mL of 16.9% solution of AgNO3 is mixed with 50 mL of 5.8% NaCl solut
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If Avogadro number NA, is changed from 6.022 $$ \times $$ 1023 mol$$-$$1 to 6.022 $$ \times $$ 1020 mol$$-$$1, this woul
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The number of water molecules is maximum in
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Which is the correct order of increasing energy of the listed orbitals in the atom of titanium ? (At. no. Z = 22)
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In which of the following pairs, both the species are not isostructural ?
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Decreasing order of stability of O2, O2$$-$$, O2+ and O22$$-$$ is
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A gas such as carbon monoxide would be most likely to obey the ideal gas law at
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The heat of combination of carbon to CO2 is $$-$$393.5 kJ/mol. The heat released upon formation of 35.2 g of CO2 from ca
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What is the pH of the resulting solution when equal volumes of 0.1 M NaOH and 0.01 M HCl are mixed?
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If the equilibrium constant for N2(g) + O2(g) $$\rightleftharpoons$$ 2NO(g) is K, the equilibrium constant for $${1 \o
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Aqueous solution of which of the following compounds is the best conductor of electric current ?
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Which one of the following pairs of solution is not an acidic buffer ?
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Which of the following statements is not correct for a nucleophile?
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Which of the following is not the product of dehydration of
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2,3-Dimethyl-2-butene can be prepared by heating which of the following compounds with a strong acid?
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In the reaction with HCl, an alkene reacts in accordance with the Markovnikov's rule to give a product 1-chloro-1 methyl
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The possible stereo-structures of CH3CHOHCOOH, which are optically active, are called
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In an SN1 reaction on chiral centers, there is
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Reaction of phenol with chloroform in presence of dilute sodium hydroxide finally introduces which one of the following
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Which of the following reaction(s) can be used for the preparation of alkyl halides?
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On heating which of the following releases CO2 most easily?
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20.0 g of a magnesium carbonate sample decomposes on heating to give carbon dioxide and 8.0 g magnesium oxide. What will
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The oxidation of benzene by V2O5 in the presence of air produces
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Reaction of a carbonyl compound with one of the following reagents involves nucleophilic addition followed by eliminatio
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Which one of the following esters gets hydrolysed most easily under alkaline conditions?
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The following reaction is known by the name
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Method by which aniline cannot be prepared is
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The number of structural isomers possible from the molecular formula C3H9N is
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Caprolactam is used for the manufacture of
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The correct statement regarding defects in crystalline solids is
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The vacant space in bcc lattice unit cell is
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What is the mole fraction of the solute in a 1.00 m aqueous solution?
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The rate constant of the reaction A $$ \to $$ B is 0.6 $$ \times $$ 10$$-$$3 mol L$$-$$1 s$$-$$1. If the concentration
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The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence
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The variation of the boiling points of the hydrogen halides is in the order HF > HI > HBr > HCl. What explains
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Strong reducing behavior of H3PO2 is due to
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The formation of the oxide ion, O2$$-$$(g) from oxygen atom requires first an exthermic and then an endothermic step as
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Which of the statements given below is incorrect?
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In the extraction of copper from its sulphide ore. the metal is finally obtained by the reduction of cuprous oxide with
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Assuming complete ionisation, same moles of which of the following compounds will require the least amount of acidified
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Gadolinium belongs to 4f series. Its atomic number is 64. Which of the following is the correct electronic configuration
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The name of complex ion, [Fe(CN)6]3$$-$$ is
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The sum of coordination number and oxidation number of the metal M in the complex [M(en)2(C2O4)]Cl (where en is ethylene
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The hybridization involved in complex [Ni(CN)4]$$2-$$ is (At. No. Ni = 28)
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Number of possible isomers for the complex [Co(en)2Cl2]Cl will be (en = ethylenediamine)
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Physics

If dimensions of critical velocity $$\upsilon $$c of a liquid flowing through a tube are expressed as $$\left[ {{\eta ^x
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If vectors $$\overrightarrow A = \cos \omega t\widehat i + \sin \omega t\widehat j$$ and $$\overrightarrow B = \cos {{
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The positions vector of a particle $$\overrightarrow R $$ as a function of time is given by $$\overrightarrow R $$ = 4si
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Two stones of masses m and 2m are whirled in horizontal circles, the heavier one in a radius $${r \over 2}$$ and the lig
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A plank with a box on it at one end is gradually raised about the other end. As the angle of inclination with the horizo
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Two particles A and B, move with constant velocities $$\overrightarrow {{v_1}} $$ and $$\overrightarrow {{v_2}} $$. At t
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A ball is thrown vertically downwards from a height of 20 m with an initial velocity v0. It collides with the ground, lo
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The heart of a man pumps 5 litres of blood through the arteries per minute at a pressure of 150 mm of mercury. If the d
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On a frictionless surface, a block of mass M moving at speed v collides elastically with another block of same mass M wh
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An automobile moves on a road with a speed of 54 km h$$-$$1. The radius of its wheels is 0.45 m and the moment of inerti
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Point masses m1 and m2 are placed at the opposite ends of a rigid rod of length L, and negligible mass. The rod is to be
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A force $$\overrightarrow F = \alpha \widehat i + 3\widehat j + 6\widehat k$$ is acting at a point $$\overrightarrow r
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A remote-sensing satellite of earth revolves in a circular orbit at a height of 0.25 $$ \times $$ 106 m above the surfac
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A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the
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The value of coefficient of volume expansion of glycerin is 5 $$ \times $$ 10$$-$$4 K$$-$$1. The fractional change in th
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The cylindrical tube of a spray pump has radius R, one end of which has n fine holes, each of radius r. If the speed of
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Water rises to a height h in capillary tube. If the length of capillary tube above the surface of water is made less tha
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The Young's modulus of steel is twice that of brass. Two wires of same length and of same area of cross section, one of
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An ideal gas is compressed to half its initial volume by means of several processes. Which of the process results in th
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The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is $$-$$20oC, the temperature o
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Two vessels separately contain two ideal gases A and B at the same temperature, the pressure of A being twice that of B.
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A particle is executing a simple harmonic motion. Its maximum acceleration is $$\alpha $$ and maximum velocity is $$\bet
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A string is stretched between fixed points separated by 75.0 cm. It is observed to have resonant frequencies of 420 Hz
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4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas at constant volume is 5.0 J K$$-$$1 mo
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A source of sound S emitting waves of frequency 100 Hz and an observer O are located at some distance from each other. T
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The fundamental frequency of a closed organ pipe of length 20 cm is equal to the second overtone of an organ pipe open a
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A parallel plate air capacitor has capacity C, distance of separation between plates is d and potential difference $$V$$
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If potential (in volts) in a region is expressed as V(x, y, z) = 6xy $$-$$ y + 2yz, the electric field (in N/C) at point
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Two metal wires of identical dimensions are connected in series. If $$\sigma $$1 and $$\sigma $$2 are the conductivity o
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A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm all connected in series. If the ammeter has
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A potentiometer wire of length L and a resistance r are connected in series with a battery of e.m.f. E0 and a resistance
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A proton and an alpha particle both enter a region of uniform magnetic field B, moving at right angles to the field B. I
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A rectangular coil of length 0.12 m and width 0.1 m having 50 turns of wire is suspended vertically in a uniform magneti
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A series R-C circuit is connected to an alternating voltage source. Consider two situations : (a)  When capac
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An electron moves on a straight line path XY as shown. The abcd is a coil adjacent to the path of electron. What will be
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The energy of the em waves is of the order of 15 keV. To which part of the spectrum does it belong ?
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At the first minimum adjacent to the central maximum of a single-slit diffraction pattern, the phase difference between
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A beam of light consisting of red, green and blue colours is incifent on a right angled prism. The refractive index of t
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In an astronomical telescope in normal adjustment a straight black line of length L is drawn on inside part of objective
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Two slits in Young's experiment have widths in the ratio 1 : 25. The ratio of intensity at the maxima and minima in the
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Light of wavelength 500 nm is incifent on a metal with work function 2.28 eV. The de Broglie wavelength of the emitted e
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A photoelectric surface is illuminated successively by monochromatic light of wavelength $$\lambda $$ and If the maximum
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A nucleus of uranium decays at rest into nuclei of thorium and helium. Then
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In the spectrum of hydrogen, the ratio of the longest wavelength in the Lyman series to the longest wavelength in the Ba
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The input signal given to a CE amplifier having a voltage gain of 150 is Vi = 2cos(15t + $${\pi \over 3}$$). The corres
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In the given figure, a diode D is connected to an external resistance R = 100 $$\Omega $$ and an e.m.f. of 3.5 V. If the
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