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attern ( Ck ss XI, , PHY, Sl No, , Unit, , Section, , Section, , I, , II, , II, , Section, , II, , Short, , Short, , MCQ, , Short, , Answer, , Answer, , (1 mark), , Answer, , Questions, , I, , Questions, , Questions, , ( l mark), , Physical World, , Section, , Very, , lXl:1, , 1Xl=1, , tx2:2, , 1X1:1, , ( 2 marks), , il, , Section, , II, , TOTAL, , Long, Answer, Questions, , ( 5 marks), , ( 3 marks), 02, , and Measurement, , Kinematics, Laws of Motion, Work, Energy, and Power, , 2, J, , 4, , Motion of system, of particles and, Rieid Bodv, Gravitation, Properties of bulk, matter (except, heat transfer), Behaviour of, perfect gas and, kinetic, theory of, , 5, , 6, 7, , 8, , 1X2:2, , 2X1:2, 2Xl=2, , lX2:2, , lXl:1, lx2:2, , I, , Xl:l, , 10, , 05, , 3X2:6, , 06, , 10, , 3X2:6, , 2Xt:2, , zxt:2, , lX2:2, , 5X1:5, , 3X2:6, 3X1:3, , 07, , 5X1:5, , 3X2:6, , 10, , t0, , gases,, , Thermodynamics,, heat transfer, (taken from unit7), Oscillation and, , 9, , 1X2:2, , 1X1:1, , 2X1:2, , I4, , 04, , 10, , 5X1:5, , 10, , 15, , 70, , WAVES, , o, , Question paper will have two sections :, Section I : for MCQ ( Question Nos : 1 to 14 ), Section ll will have four groups:, VSA ( 1 mark) -one sentence answer ( QuestionNo : 1 to 4 ), SA I ( 2 marks ) -- ( Question No : 5 to 9 ), SA II ( 3 marks ) -- ( Question No : 10 to 18 ), LA ( 5 marks ) -- ( Question No : 19 to 21), There should be no fractions in the marks distribution., For SA I , marks may be divided into 1+1, For SA II , marks may be divided into 2+l, ()r LA . marks m, For, be divided Iinto 3+2 o 4+l, Section I, No Intemal Option, Section II VSA, Intemal Option for at least any two questions, Section II SA I, Intemal Option for at least any three questions, Section II SA II, Internal Option for at least any five questions, Section II LA, Internal Option for at least any two questions, , o, o, o, , 27

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3, , ( English Version I, , Multiple Cholce Questions (MCQI ( carrying I mark each ), , l., , Two veetors, , -+, , -), , A and B, , are such, , -) -+, , -+ -+, , -+, , that lA+Bl=l A-Bl. The angle between A and, , -+, , Bis, , a), , 45', , b), , 60', , c), , 75?, , d), , 90"., , Ans:, 2,, , (d), , A ball is thrown vertically upward. It goes up and then returns to ground. During, , this motion of the ball, , a) the ball has no acceleration, b) the ball has a constant downward acceleration throughout the whole flight, c) the acceleration of tJ:e ball has different directions during ascent and, descent, , d), Ans:, , the acceleration of the ball is zeto at the highest point., (b), , Very Short Answer Type, 3., , (, , carrying, , 1, , mark each, , ), , Cite an example of a situation in which a body having a t:.orr-zero acceleration, has zero, , 4., , (VSAI, , velocity., , I, , Name the parameter that decides if a body is in thermal equilibrium with another, body or not., , Short Answer Type-I, 5., , (SA-I), , (, , carrying 2 marks each, , ), , "It is easier to pull a roller obliquely, to move it along the ground, than to push it, to do so'l Justify the statement., 2, , 6., , Find out the phase difference between two points, 0'3 m apart on the path of a, travelling wave of wavelength 1 m. Show the steps in your working out of the, , answer., , 2, I, , T\rrn over

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4, , Short Answer Type-II, 7., , (SA-II) ( carr5ring 3 marks each, , ), , Show that the motion of a simple pendulum is simple harmonic if the amplitude, of the pendulum is very small. Obtain an expression for its period of oscillation., , 2+1, , g., , Write down the reiation between pressure and volume of an ideal gas during an, adiabatic change and compare the slopes of the isothermal and the adiabatic, 3, curves for the gas at a point in the P-V diagram', Long Answer TYPe (tAf, , 9., , a), , An artificial satellite revolves round the earth in a circular orbit, radius r. Show that, T2, , b), , (carrying 5 marks each ), , *r3, , if, , of, , T be the period of revolution of the satellite, then, , ., , Find a relation bet\Meen the gravitational constant and mean density of the, earth., , 10. a) show that the mechanical enersr of a body sliding, , 3+2, down freely along a, , smooth inclined plane is conserryed', , b), , A ba1 is projected horizontally with a velocity of 5 m/sec from the top of a, building 19.6 m high. How long will the ball take to hit the ground ? (neglect, air resistance), , 3+2