ENTRY TEST 2007 PHYSICS 1.Mega watt day is the unit of; A.Power B.Energy C.Force D.Speed 2.KWH is the unit of A.Energy B.Power C.Force D.Emf 3.Two bodies A and B have velocity ratio 1:2. The ratio of the K.Es is A.4:1 B.1:4 C.2:1 D.1:2 4.If a body moving with a constant acceleration covers Xm in 1st second and Ym in nextfour seconds then what will be the relation b/w X and Y? A.X=Y B.X=2y C.Y=4X D.Y=3X 5.Which of the following friction is self adjusting force? A.Static B.Limiting C.Dynamic D.Sliding 6.A man holding 7N weight moves 7m horizontally and 5m vertical. Find the work done by the man A.270J B.720J C.300J D.120J 7.A ring, a disc, and a sphere have same masses and radius, whose moment of inertia will be maximum? A.A ring B.A discC.A sphere D.All have same inertia 8.The max. value of drag force on an object is 9.8N.What will be the value of its mass? A.9.8kg B.4kg C.2kg D.1kg 9.A body absorbs heat at constant temp. then what will be phenomena? A.melting pointB.boiling point The Preceptorwww.thepreceptor.org The PreceptorENTRY TEST 2007 C.evaporationD.both A & B 10. if 10C charge is passing through a conductor of resistance 20 in 2sec . Then find the potential difference across the conductors A.400v B.200v C.100v D.10v11. If r is the perpendicular distance of point from a currentcarrying wire of infinite length then the relation b/w B and r A.r B.1/r C.r2 D.1/r2 12. Average value of AC over a cycle is A.I0 B.I0/2 C.I0/2 D.Zero13. In which type current flows due to the breakage of covalent bond? A.Donor B.Acceptor C.Extrinsic D.Intrinsic 14. Silicon is A.MonovalentB.DivalentC.TrivalentD.Tetravalent 15. Analogous of force in rotational motion is : A.TorqueB.Angular momentum C.Rotational K.E D.Angular velocity 16. If the torque remains constant then. Should remain constant A.Linear constant B.Angular momentum C.Momentum D.Charge 17. Rocket propulsion is according to law of conservation of A.EnergyB.Mass C.Momentum D.Charge 18. Speed of sound in vacuum is ..m/s; A.332 B.340 C.0 D.350 19. Choke is used to; A.Increase current B.Decreasevoltage C.Limit current D. None The Preceptorwww.thepreceptor.org The PreceptorENTRY TEST 2007 20. If a conducting wire of length 3cm move with velocity of 2m/s in a magnetic field of strength 10T the induced emf will be; A.6v B.0.6v C.0.3v D.0.2v 21. If the no. of turns of an inductor is increased two times then its inductance will be. A.Doubled B.Four times C.Half D.1/ four 22. If the intensity of the radiation is doubled then the photo emission will be A.Doubled B.Four times C.Half D.Eight times23. 235U92 the ratio of neutrons to nucleons is; A.143/92 B.143/235 C.92/235 D.253/14324. A 2mA ammeter has an internal resistance of 20 and it is converted into a voltmeter of 10V . What will be the value of resistance? A.200 In series B.200 in parallel C.0.2 in series D.0.2 in parallel 25. The time period of pendulum at the centre of earth; A.Zero B.Max. C.Infinite D.Min.26. The wavelength of wave is 5000A0 .This wave will be in region A.U.V B.Radio C.Visible D.I.R 27. LDR is a sensor for A.Light B.Heat C.Energy D.All28. The diameter of the atom is of the order of; A.1010m B.10-10m C.1014m D.10-14m29. An electron in an atom will absorb energy only when; A.It jumps from outer to inner orbital The Preceptorwww.thepreceptor.org The PreceptorENTRY TEST 2007 B.It jumps from inner to outer orbital C.None D.Both 30. The ratio of tensile stress to tensile strain is called; A.Force B.Youngs modulus C.Bulk modulus D.Shear modulus MATHEMATICS 1.0 is ______? A.A natural number B.A whole number C.An positive integer D.Anegative integer2.If two sets have no common element then they are called _______ A.Overlapping sets B.Disjoint sets C.Complementary sets D.Equivalent sets3.9 00 9 is a ______ matrix. A.Scalar B.Diagonal C.Null D.Identity 4.If roots of the equation ax2+b=0 are real and unequal the; A.ab>0 B.ab3 B.x - 3y 0 C.3x 5y-7 D.3x + 5y 7 CHEMISTRY 1.The no. of moles of CO by 8g of O2 is A.0.25 B.0.50 C.1 D.1.5 2.Solventextraction is an equilibrium process and is controlled byA.Distribution law B.Law of mass action C.The amount of solvent used D.Amount of solute 3.If absolute temp. of a gas is doubled and pressure is reduced to one half then volume of gas will be A.Remains unchanged B.Reduced to one fourth C.Doubled D.Increase four times 4.The molar volume of CO2 is maximum at A.STP B.1270cand 1atm C.00c and 2atm D.2730c and 2atm 5.The diffusion and effusion is well explained by A.Charles B.Boyles C.General gas law D.Grahams law The Preceptorwww.thepreceptor.org The PreceptorENTRY TEST 2007 6.When water freezes to 00cits density decreases its A.Cubic structure B.Change of bond length C.Empty spaces present in ice structure D.Change of bond angle 7.Which of the following is a super cooled liquid? A.Glass B.CaF2 C.NaCl D.All 8.Quantum number value for 2p orbital are A.n=1, l=2 B.n=2 , l=1 C.n=1, l=0 D.n=2, l=0 9.Which of the halogen halide has highest percentage of ionic character A.HF B.HCl C.HBr D.HI 10. The PH of 10-3 molesdm-3 of aqueous solution of HCl is A.3.0 B.2.7 C.2.0 D.1.5 11. Which statement is correct A.Hydrogen resembles in properties with 1A,4A,7A 12. Which of the following does not belong to the alkaline earth metals? A.Be B.Ra C.Ba D.Rn 13. The unit of rate constant is the same as that the rate of reaction in. order reaction A.Zero B.1st C.2nd D.3rd 14. Which element will form charge +3 ? A.C B.Si C.Al D.Be 15. Which of these represent configuration of 8A group? A.S2P2 B.S2P4 C.S2P6 D.S2P5 The Preceptorwww.thepreceptor.org The PreceptorENTRY TEST 2007 16.Order of %age of Carbon is; A.Wrought iron>steel>cast iron B.Cast iron>steel>wrought iron C.Steel>cast iron>wrought iron D.Steel>wrought iron>cast iron 17. Which of them is most reactive one A.Alkane B.Alkene C.Alkyne D.Benzene 18. Which electrophile is used in the nitration ofbenzene? A.HNO3 B.NO3 C.NO2+ D.NO2 19. Which compound has maximum repulsion with water? A.C6H6 B.C2H5OH C.CH3CH2CH2OH D.CH3OCH3 20. Rectified spirit contains alcohol about; A.98% B.95% C.90% D.80% 21. Which acid is used in the manufacture of synthetic fibre? A.Formic acid B.Carbonic acid C.Oxalic acid D.Acetic acid 22. Which of the following polymers is addition polymer? A.Polystyrene B.Polyethylene C.PVC D.All 23. Which is water soluble vitamin? A.Niacin B.Riboflavin C.Trypsin D.Ascorbic acid24. Ammonium nitrate is not used for which crop? A.Paddy rice B.Wheat crop C.Both D.None 25. In primary alcohols.. carbon atom is attached to the carbon atoms attached tohydroxyl group? A.1 B.2 C.3 D.none The Preceptorwww.thepreceptor.org The PreceptorENTRY TEST 2007 26. the charge , in coulombs of onemole of electrons A.96320 B.9632 C.91683 D.96843 27. Which of the following is nucleophile? A.H2O B.BF3 C.NH3 D.HCl 28. The wave number of the wave is 5*106m, the wavelength of the wave is A.0.2nm B.2nm C.20nm D.200nm29. Which metal is used in thermit process because of its activity? A.Iron B.Copper C.Aluminium D.Zinc 30. Which is not a calcarius material? A.Clay B.LimeC. Marble D.Marine shell

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