NEET 2013 (Karnataka)
Paper was held on Sat, May 18, 2013 10:00 AM
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Biology

The common characteristics between tomato and potato will be maximum at the level of their
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Why is a capsule advantageous to a bacterium?
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Which one of the following is true for fungi?
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Syngamy can occur outside the body of the organism in
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What is common in all the three, Funaria, Dryopteris and Ginkgo?
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Which one of the following is wrongly matched?
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The plant body is thalloid in
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Which one of the following groups of animals reproduces only by sexual means?
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Which one of the following is one of the paths followed by air or O2 during respiration in the adult male Periplaneta am
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Which one of the following animals is correctly matched with its one characteristic and the taxon?
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Sharks and dogfishes differ from skates and rays because
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The characteristics of Class Reptilia are
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Inflorescence is racemose in
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Among flowers of Calotropis, tulip, Sesbania, Asparagus, Colchicum, sweet pea, Petunia, Indigofera, mustard, soybean, t
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How many plants among China rose, Ocimum, sunflower, mustard, Alstonia, guava, Calotropis and Nerium (oleander) have opp
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In a cymose inflorescence the main axis
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Uridine, present only in RNA is a
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Which of the following statements about enzymes is wrong?
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The figure shows a hypothetical tetrapeptide portion of a protein with parts labelled A - D. Which one of the following
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During meiosis I, the chromosomes start pairing at
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During the metaphase stage of mitosis, spindle fibres attach to chromosomes at
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Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the a
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Which of the following elements is a constituent of biotin?
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Specialized cells for fixing atmospheric nitrogen in Nostoc are
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The pineapple which under natural condition is difficult to blossom has been made to produce fruits throughout the year
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A healthy person eats the following diet-5 gm raw sugar, 4 gm albumin, 10 gm pure buffalo ghee adultrated with 2 gm vege
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Which enzymes are likely to act on the backed potatoes eaten by a man, starting from the mouth and as it moves down the
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Select the option which shows correct matching of animal with its excretory organ and excretory product.
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During muscle contraction in humans, the
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Select the correct statement with respect to disorders of muscles in humans.
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Select the option which correctly matches the endocrine gland with its hormone and its function.
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Norepinephrine (i)  is released by sympathetic fibres (ii)  is released by parasympathetic fibers (
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Which of the following represents the action of insulin?
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Animal vectors are required for pollination in
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Albuminous seeds store their reserve food mainly in
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Which one of the following statements is correct?
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Megaspores are produced from the megaspore mother cells after
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Which of the following statements is correct?
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The foetal ejection reflex in humans triggers the release of
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In our society women are blamed for producing female children. Choose the correct answer for the sex-determination in hu
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The stage transferred into the uterus after induced fertilization of ovum in the laboratory is
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One of the following is not a method of contraception. Which one?
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Down's syndrome in humans is due to :
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Which one is the incorrect statement with regards to the importance of pedigree analysis?
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The figure gives an important concept in the genetic implication of DNA . Fill the blanks A, B and C.
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Which of the following is not a property of the genetic code ?
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Satellite RNA are present in some :
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Genes of interest can be selected from a genomic library by using :
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In an inducible operon, the genes are :
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One of the most frequently used techniques in DNA fingerprinting is :-
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Random undirectional change in allele frequencies that occur by chance in all populations and especially in small popula
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Genetic variation in a population arises due to :
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Dinosaurs dominated the World in which of the following geological era ?
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The finch species of Galapagos Islands are grouped according to their food sources. Which of the following is not a finc
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Which one of the following statements is correct regarding Sexually Transmitted Diseases (STD) ?
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Identify the site where Wuchereria bancrofti is normally found on human body :
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Which one of the following is a hallucinogenic drug?
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The viability of seeds is tested by :
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Tissue culture technique can produce infinite number of new plants from a small parental tissue. The economic importance
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Which of the following statements is not true about somatic embryogenesis ?
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Microbe used for biocontrol of pest butterfly caterpillars is :
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During the process of isolation of DNA, chilled ethanol is added to :
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Which one of the following vectors is used to replace the defective gene in gene therapy ?
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RNA interference involves :-
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The age pyramid with broad base indicates :
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Which one of the following is not a parasitic adaptation ?
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Benthic organisms are affected most by :
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Which one of the following is a primary consumer in maize field ecosystem ?
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Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the a
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When man eats fish which feeds on zooplankton which have eaten small plants, the producer in the chain is :
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The largest tiger reserve in India is :-
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Which organization publishes the 'Red Data Book' ?
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Which of the following has maximum genetic diversity in India?
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The second commitment period for Kyoto Protocol was decided at :
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Climate of the world is threatened by :
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Which one of the following is not correct as regards the harmful effects of particulate matter of the size 2.5 micro met
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Meristematic tissue responsible for increase in girth of tree trunk is :
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Which of the following statements is not true for stomatal apparatus ?
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Bundle sheath cells :
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Select the correct option with respect to Cockroaches :-
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Identify the tissue shown in the diagram and match with its characteristics and its location :-
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The term 'glycocalyx' is used for :
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Which of the following best illustrates "FEEDBACK" in development ?
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Which of the following types of plastids does not contain stored food material ?
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Select the alternative giving correct identification and function of the organelle 'A' in the diagram
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A stage of mitosis is shown in the diagram. Which stage is it and what are its characteristics?
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The figure shows a human blood cell. Identify it and give its characteristics.
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The figure shows blood circulation in humans with labels A to D. Select the option which gives correct identification of
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The figure shows an axon terminal and synapse. Select the option giving correct identification of labels A-D.
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A sagittal section of human brain is shown here. Identify at least two labels from A-D.
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The figure shows a section of human ovary. Select the option which gives the correct identification of either A or B wit
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Chemistry

In an experiment it showed that 10 mL of 0.05 M solution of chloride required 10 mL of 0.1 M solution of AgNO3, which of
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The outer electronic configuration of Gd (At. No. 64) is
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According to law of photochemical equivalence the energy absorbed (in ergs/mole) is given as (h = 6.62 $$ \times $$ 10$$
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Which one of the following arrangements represents the correct order of least negative to most negative electron gain en
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The pair of species that has the same bond order in the following is
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In which of the following pair both the species have sp3 hybridization ?
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The outer orbitals of C in ethane molecule can be considered to be hybridized to give three equivalent sp2 orbitals. The
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In which of the following ionization processes the bond energy increases and the magnetic behaviour changes from paramag
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What is the density of N2 gas 227oC and 5.00 atm. pressure? (R = 0.082 L atm K$$-$$1 mol$$-$$1)
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When 5 litres of a gas mixture of methane and propane is perfectly combusted at 0oC and 1 atmosphere, 16 litres of oxyge
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Three thermochemical equations are given below (i)  C(graphite) + O2(g) $$ \to $$ CO2(g); $$\De
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Accumulation of lactic acid (HC3H5O3), a monobasic acid in tissues leads to pain and a feeling of fatigue. In a 0.10 M a
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At 100oC the Kw of water is 55 times its value at 25oC. What will be the pH of neutral solution? (log 55 = 1.74)
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The values of Ksp of CaCO3 and CaC2O4 are 4.7 $$ \times $$ 10$$-$$9 and 1.3 $$ \times $$ $$-$$9 respectively at 25oC. I
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The dissociation constant of weak acid is 1 $$ \times $$ 10$$-$$4. In order to prepare a buffer solution with a pH = 5,
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Arrange the following in increasing order of stability
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What is the hybridisation state of benzyl carbonium ion?
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Nitrogen detection in an organic compound is carried out by Lassaigne's test. The blue colour formed corresponds to whic
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Homolytic fission of the following alkanes forms free radicals CH3 $$-$$ CH3, CH3 $$-$$ CH2 $$-$$ CH3, (CH3)2CH $$-$$ CH
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Which of the following chemical system is non aromatic ?
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In the following reaction : Product 'P' will not give
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Given : I and II are
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Number of isomeric alcohols of molecular formula C6H14O which give positive iodoform test is
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In Castner-Kellner cell for production of sodium hydroxide
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On hydrolysis of a ''compound'', two compounds are obtained. One of which one treatment with sodium nitrite and hydrochl
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Some reactions of amines are given. Which one is not correct?
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In DNA, the linkages between different nitrogenous bases are
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Which condition is not satisfied by an ideal solution?
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How many gram of cobalt metal will be deposited when a solution of cobalt (II) chloride is electrolyzed with a current o
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Consider the half-cell reduction reaction Mn2+ + 2e$$-$$ $$ \to $$ Mn, Eo = $$-$$1.18 V Mn2+ $$ \to $$ Mn3+ + e$$-$$,
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For a reaction between A and B the order with respect to A is 2 and the other with respect to B is 3. The concentrations
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A reaction is 50% complete in 2 hours and 75% complete in 4 hours. The order of reaction is
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Which statement is wrong?
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Identify the incorrect statement, regarding the molecule XeO4 :
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The metal oxide which cannot be reduced to metal by carbon is
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Sc (Z = 21) is a transition element but Zn (Z = 30) is not because
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Dettol is the mixture of
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In a particular isomer of [Co(NH3)4Cl2]o, the Cl$$-$$Co$$-$$Cl angle is 90o, this isomer is known as
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Crystal field splitting energy for high spin d4 octahedral complex is
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The anion of acetylacetone (acac) forms Co (acac)3 chelate with Co3+. The rings of the chelate are
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Which is diamagnetic?
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Which among the following is a paramagnetic complex?
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The correct IUPAC name for [CrF2(en)2]Cl is
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Which one of the following statements is not true?
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Physics

The pair of quantities having same dimensions is
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The displacement 'x' (in meter) of a particle of mass 'm' (in kg) moving in one dimension under the action of a force, i
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Vectors $$\overrightarrow A ,\overrightarrow B $$ and $$\overrightarrow C $$ are such that $$\overrightarrow A .\overrig
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A car is moving in a circular horizontal track of radius 10 m with a constant speed of 10 m/s. A bob is suspended from t
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A person holding a rifle (mass of person and rifle together is 100 kg) stands on a smooth surface and fires 10 shots hor
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A particle with total energy E is moving in a potential energy region U(x). Motion of the particle is restricted to the
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One coolie takes 1 minute to raise a suitcase through a height of 2 m but the second coolie takes 30 s to raise the same
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The ratio of radii of gyration of a circular ring and a circular disc, of the same mass and radius, about an axis passin
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Two discs are rotating about their axes, normal to the discs and passing through the centres of the discs. Disc D1 has 2
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The radius of a planet is twice the radius of earth. Both have almost equal average mass densities. VP and VE are escape
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A particle of mass 'm' is kept at rest at a height 3R from the surface of earth, where 'R' is radius of earth and 'M' is
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Two metal rods 1 and 2 of same lengths have same temperature difference between their ends. Their thermal conductivities
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If the ratio of diameters, lengths and Young's modulus of steel and copper wires shown in the figure are p, q and s resp
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A fluid is in streamline flow across a horizontal pipe of variable area of cross section. For this which of the followin
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The density of water at 20oC is 998 kg/m3 and at 40oC is 992 kg/m3. The coefficient of volume expansion of water is
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Which of the following relations does not give the equation of an adiabatic process, where terms have their usual meanin
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A system is taken from state a to state c by two paths adc and abc as shown in the figure. The internal energy at a is $
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Two Carnot engines A and B are operated in series. The engine A receives heat from the source at temperature T1 and reje
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In a vessel, the gas is at pressure P. If the mass of all the molecules is halved and their speed is doubled, then the r
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A particle of mass m oscillates along x-axis according to equation x = asin$$\omega $$t. The nature of the graph between
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The length of the wire between two ends of a sonometer is 100 cm. What should be the positions of two bridges below the
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Two sources P and Q produce notes of frequency 660 Hz. each. A listener moves from P to Q with a speed of 1 ms$$-$$1. If
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A charge q is placed at the centre of the line joining two equal charges Q. The system of the three charges will be in e
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An electric dipole of dipole moment p is aligned parallel to a uniform electric field E. The energy required to rotate t
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Two rods are joined end to end, as shown. Both have a cross-sectional area of 0.01 cm2. Each is 1 meter long. One rod is
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A 12 cm wire is given a shape of a right angled triangle ABC having sides 3 cm, 4 cm and 5 cm as shown in the figure. Th
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Ten identical cells connected in series are needed to heat a wire of length one meter and radius 'r' by 10oC in time 't'
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A long straight wire carries a certain current and produces a magnetic field 2 $$ \times $$ 10$$-$$4 Wb m$$-$$2 at a per
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A circular coil ABCD carrying a current 'i' is placed in a uniform magnetic field. If the magnetic force on the segment
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A bar magnet of magnetic moment M is placed at right angles to a magnetic induction B. If a force F is experienced by ea
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The primary of a transformer when connected to a dc battery of 10 Volt draws a current of 1 mA. The number of turns of t
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A current of 2.5 A flows through a coil of inductance 5 H. The magnetic flux linked with the coil is
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An electromagnetic wave of frequency $$\upsilon = 3.0$$ MHz passes from vaccum into a dielectric medium with relative p
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In Young's double slit experiment the distance between the slits and the screen is doubled. The separation between the s
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A parallel beam of light of wavelength $$\lambda $$ is incident normally on a narrow slit. A diffraction pattern formed
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Two plane mirrors are inclined at 70o. A ray incident on one mirror at angle, $$\theta $$ after reflection falls on seco
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The reddish appearance of the sun at sunrise and sunset is due to
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A source of light is placed at a distance of 50 cm from a photo cell and the stopping potential is found to be V0. If th
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The de-broglie wavelength of neutrons in thermal equilibrium at temperature T is
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How does the Binding Energy per nucleon vary with the increase in the number of nucleons ?
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An electron in hydrogen atom makes a transition n1 $$ \to $$ n2 where n1 and n2 are principal quantum numbers of the two
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$$\alpha $$-particles, $$\beta $$-particles and $$\gamma $$-rays are all having same energy. Their penetrating power in
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The output from a NAND gate is divided into two in parallel and fed to another NAND gate. The resulting gate is a
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In an unbiased p-n junction, holes diffuse from the p-region to n-region because of
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One way in which the operation of a n-p-n transistor differs from that of a p-n-p
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