AIPMT 2006
Paper was held on Sun, May 7, 2006 10:00 AM
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Biology

Curing of tea leaves is brought about by the activity of
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Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread? A. 
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In a moss, the sporophyte
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Peat moss is used as a packing material for sending flowers and live plants to distant places because
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Conifers differ from grasses in the
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Two common characters found in centipede, cockroach, and crab are
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Biradial symmetry and lack of cnidoblasts are the characteristic of
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In which one of the following sets of animals do all the four give birth to young ones?
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Which one of the following is not a living fossil?
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Annual migration does not occur in the case of
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Which one of the following is a matching set of a phylum and its three examples?
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Metameric segmentation is the characteristic of
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What is common about Trypanosoma, Noctiluca, Monocystis and Giardia?
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Pentamerous actinomorphic flowers, bicarpellary ovary with oblique septa, and fruit capsule or berry, are characteristic
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In which of the following fruits, the edible part is the aril ?
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Pineapple (ananas) fruit develops from
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Long filamentous threads protruding at the end of a young cob of maize are
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An organic substance bound to an enzyme and essential for its activity is called
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In photosystem I, the first electron acceptor is
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During photorespiration, the oxygen consuming reaction(s) occur in
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How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole
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An enzyme that can stimulate germination of barley seeds is
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Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease i
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How does pruning help in making the hedge dense?
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Treatment of seeds at low temperature under moist conditions to break its dormancy is called
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The majority of carbon dioxide produced by our body cells is transported to the lungs as
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Which one of the following statements is incorrect?
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People living at sea level have around 5 million RBC per cubic millimeter of their blood whereas those living at altitud
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Which one of the following has an open circulatory system?
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Angiotensinogen is a protein produced and secreted by
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The contractile protein of skeletal muscle involving ATPase activity is
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Which one of the following does not act as a neurotransmitter?
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Bowman's glands are found in
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Which hormone causes dilation of blood vessels, increased oxygen consumption and glucogenesis?
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Which of the following is an accumulation and release center of neurohormones?
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A steroid hormone which regulates glucose metabolism is
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Which one of the following is not a secondary messenger in hormone action?
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Which one of the following statements is correct?
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The arrangement of the nuclei in a normal embryo sac in the dicot plants is
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In a cereal grain the single cotyledon of embryo is represented by
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Parthenocarpic tomato fruits can be produced by
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Sertoli cells are regulated by the pituitary hormone known as-
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Withdrawal of which of the following hormones is the immediate cause of menstruation ?
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The formula for exponential population growth is-
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Both sickle cell anemia and Huntington's chorea are-
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Test cross involves-
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If a colour blind woman marries a normal visioned man, their sons will be
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Sickle cell anaemia has not been eliminated from the African population because-
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In Mendel's experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (
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Cri-du-chat syndrome in humans is caused by the-
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How many different kinds of gametes will be produced by a plant having the genotype AABbCC ?
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Which one of the following is an example of polygenic inheritance ?
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Phenotype of an organism is the result of-
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One turn of the helix in a B-form DNA is approximately -
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One gene-one enzyme hypothesis was postulated by -
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Antiparallel strands of a DNA molecule means that-
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Which antibiotic inhibits interaction between tRNA and mRNA during bacterial protein synthesis ?
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Amino acid sequence, in protein synthesis is decided by the sequence of -
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An important evidence in favour of organic evolution is the occurrence of-
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Which one of the following amino-acids was not found to be synthesized in Miller's experiment ?
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Jurassic period of the Mesozoic era characterized by-
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Praying mantis is a good example of-
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The bacterium (Clostridium botulinum) that causes botulism is-
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The causative agent of mad-cow disease is a-
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HIV that causes AIDS, first starts destroying
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Antibodies in our body are complex-
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A person showing unpredictable moods, outbursts of emotion, quarrelsome behaviour and conflicts with others is suffering
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Restriction endonuclease -
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Two microbes found to be very useful in genetic engineering are-
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Golden rice is a promising transgenic crop. When released for cultivation, it will help in
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Niche overlap indicates-
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Which one of the following is not used for construction of ecological pyramids ?
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Which of the following pairs of an animal and a plant represents endangered organisms in India ?
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Which of the following is considered a hot-spot of biodiversity in India ?
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Which one of the following is not included under in-situ conservation ?
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Which one of the following is the correctly matched pair of an endangered animal and a National Park ?
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A common structural feature of vessel elements and sieve tube elements is-
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Areolar connective tissue joins-
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Mast cells secrete-
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Earthworms are -
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Which of the following statements regarding mitochondrial membrane is not correct ?
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A major breakthrough in the studies of cells came with the development of electron microscope. This is because
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Which of the following statements regarding cilia is not correct ?
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Chemistry

The orientation of an atomic orbital is governed by
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Given : The mass of electron is 9.11 $$ \times $$ 10$$-$$31 kg, Planck constant is 6.626 $$ \times $$ 10$$-$$34 J s, the
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Which one of the following orders is not in accordance with the property stated against it ?
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Which of the following is not a correct statement?
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Which of the following is not isostructural with SiCl4 ?
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Which of the following species has a linear shape?
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Identify the correct statement for change of Gibb's energy for a system ($$\Delta $$Gsystem) at constant temperature and
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The enthalpy and entropy change for the reaction: Br2(l) + Cl2(g) $$ \to $$ 2BrCl(g) are 30 kJ mol$$-$$1 and 105 J K$
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The enthalpy of hydrogenation of cyclohexene is is $$-$$ 119.5 kJ mol$$-$$1. If resonance energy of benzene is $$-$$ 150
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Assume each reaction is carried out in an open container. For which reaction will $$\Delta $$H = $$\Delta $$E ?
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Which of the following pairs constitutes a buffer?
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The hydrogen ion concentration of a 10$$-$$8 M, HCl aqueous solution at 298 K (Kw = 10$$-$$14) is
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For the reaction : CH4(g) + 2O2(g) $$\rightleftharpoons$$ CO2(g) + 2H2O(l), $$\Delta $$Hr = $$-$$ 170.8 kJ mol$$-$$1.
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The general molecular formula, which represents the homologous series of alkanols is
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The IUPAC name of is
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Which of the following is not chiral?
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The general molecular formula, which represents the homologous series of alkanols is
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Ethylene oxide when treated with Grignard reagent yields
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The major organic product in the reaction is CH3 $$-$$ O $$-$$ CH(CH3)2 + HI $$ \to $$ products
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A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of $$\a
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Nucleophilic addition reaction will be most favoured in
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Self condensation of two moles of ethyl acetate in presence of sodium ethoxide yields
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In a set of reactions propionic acid yielded a compound D. The structure of D would be
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Which of the following is more basic than aniline?
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Which one of the following is a peptide hormone?
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The human body does not produce
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During the process of digestion, the proteins present in food materials are hydrolysed to amino acids. The two enzymes i
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During osmosis, flow of water through a semipermeable membrane is
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A solution of acetone in ethanol
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A solution containing 10 g per dm3 of urea (molecular mass = 60 g mol$$-$$1) is isotonic with a 5% solution of a nonvola
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1.00 g of a non-electrolyte solute (molar mass 250 g mol$$-$$1) was dissolved in 51.2 g of benzene. If the freezing poin
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EoFe2+/Fe = $$-$$ 0.441 V and EoFe3+/Fe2+ = 0.771 V, the standard EMF of the reaction Fe + 2Fe3+ $$ \to $$ 3Fe2+ will be
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A hypothetical electrochemical cell is shown below. $$A\left| {{A^ + }\left( {xM} \right)} \right|\left| {{B^ + }\left(
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Consider the reaction :  N2(g) + 3H2(g) $$ \to $$ 2NH3(g) The equality relationship between $${{d\left[ {N{H_3
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For the reaction, 2A + B $$ \to $$ 3C + D, which of the following does not express the reaction rate?
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Which of the following is the most basic oxide?
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The correct order regarding the electronegativity of hybrid orbitals of carbon is
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The electronegativity difference berween N and F is greater than that between N and H yet the dipole moment of NH3 (1.5D
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Which one of the following orders is not in accordance with the property stated against it?
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In which of the following molecules are all the bonds are not equal?
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In which of the following pairs are both the ions coloured in aqueous solution? (At. no. : Sc = 21, Ti = 22, Ni = 28,
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Copper sulphate dissolves in excess of KCN to give
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More number of oxidation states are exhibited by the actinoids than by the lanthanoids. The main reason for this is
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[Cr(H2O)6]Cl3 (At. no. of Cr = 24) has a magnetic momen of 3.83 B.M. The correct distribution of 3d electrons in the ch
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[Co(NH3)4(NO2)2]Cl exhibits
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Physics

The velocity v of a particle at time t is given by v = at + $${b \over {t + c}}$$, where a, b and c are constants. The d
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Two bodies A (of mass 1 kg) and B (of mass 3 kg) are dropped from heights of 16 m and 25 m, respectively. The ratio of t
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A particle moves along a straight line OX. At a time t (in seconds) the distance x (in metres) of the particle from O is
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A car runs at a constant speed on a circular track of radius 100 m, taking 62.8 seconds for every circular lap. The aver
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For angles of projection of a projectile at angle (45o $$-$$ $$\theta $$) and (45o + $$\theta $$), the horizontal range
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The vectors $$\overrightarrow A $$ and $$\overrightarrow B $$ are such that $$\left| {\overrightarrow A + \overrightar
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A 0.5 kg ball moving with a speed of 12 m/s strikes a hand wall at an angle of 30o with the wall. It is reflected with t
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300 J of work is done in sliding a 2 kg block up an inclined plane of height 10 m. Work done against friction is (Take g
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The potential energy of a long spring when stretched by 2 cm is U. If the spring is stretched by 8 cm the potential ener
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A body of mass 3 kg is under a constant force which causes a displacement s in metres in it, given by the relation s = $
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A uniform rod AB of length $$l$$ and mass m is free to rotate about point A. The rod is released from rest in the horizo
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The moment of inertia of a uniform circular disc of radius R and mass M about an axis touching the disc at its diameter
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A tube of length L is filled completely with an incompressible liquid of mass M and closed at both the ends. The tube is
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The earth is assumed to be a sphere of radius R. A platform is arranged at a height R from the surface of the earth. The
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A black body at 1227oC emits radiations with maximum intensity at a wavelength of 5000 $$\mathop A\limits^ \circ $$. If
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A Carnot engine whose sink is at 300 K has an efficiency of 40%. By how much should the temperature of source be increas
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The molar specific heat at constant pressure of an ideal gas is (7/2) R. The ratio of specific heat at constant pressur
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A rectangular block of mass m and area of cross-section A floats in a liquid of density $$\rho $$. If it is given a smal
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Two vibrating tuning forks produce waves given by y1 = 4 sin 500$$\pi $$t and y2 = 2 sin506 $$\pi $$t. Number of beats p
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Two sound waves with wavelengths 5.0 m and 5.5. m respectively, each propagate in a gas with velocity 330 m/s. We expect
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The time of reverberation of a room A is one second. What will be the time (in seconds of reverberation of a room, havin
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A transverse wave propagating along x-axis is represented by y(x, t) = 8.0 sin (0.5 $$\pi $$x $$-$$ 4$$\pi $$t $$-$$ $$\
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Which one of the following statements is true ?
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A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery
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An electric dipole of moment $$\overrightarrow p $$ is lying along a uniform electric field $$\overrightarrow E $$. The
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A square surface of side L metres is in the plane of the paper. A uniform electric field $$\overrightarrow E $$ (volt/m)
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In the circuit shown, if a conducting wire is connected between points A and B, the current in this wire will
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Two cells, having the same e.m.f. are connected in series through an external resistance R. Cells have internal resistan
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Kirchoff's first and second laws of electrical circuits are consequences of
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Power dissipated across the 8 $$\Omega $$ resistor in the circuit shown here is 2 watt. The power dissipated in watt uni
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Two circular coils 1 and 2 are made from the same wire but the radius of the 1st coil is twice that of the 2nd coil. Wha
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When a charged particle moving with velocity $$\overrightarrow v $$ is subjected to a magnetic field of induction $$\ove
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Curie temperature above which
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Two coils of self inductance 2 mH and 8 mH are placed so close together that the effective flux in one coil is completel
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A coil of inductive reactance 31 $$\Omega $$ has a resistance of 8 $$\Omega $$. It is placed in series with a condenser
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The core of a transformer is laminated because
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A transistor-oscillator using a resonant circuit with an inductor L (of negligible resistance) and a capacitor C in seri
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A microscope is focussed on a mark on a piece of paper and then a slab of glass of thickness 3 cm and refractive index 1
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A convex lens and a concave lens, each having same focal length of 25 cm, are put in contact to form a combination of le
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A photocell employs photoelectric effect to convert
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When photons of energy h$$\upsilon $$ fall on an aluminimum plate (of work function E0), photoelectrons of maximum kinet
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In a discharge tube ionization of enclosed gas is produced due to collisions between
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The momentum of a photon of energy 1 MeV in kg m/s will be
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Ionization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state are excited by monochromatic radiat
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The binding energy of deuteron is 2.2 MeV and that of $${}_2^4$$He is 28 MeV. If two deuterons are fused to form one $${
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The following figure shows a logic gate circuit with two inputs A and B and the output C. The voltage waveforms of A,
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Which one of the following represents forward bias diode ?
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