Test Series-1


  • Your test contains 10 multiple choice questions with only one answer
  • This is 30 min test.Please make sure you complete it in stipulated time
  • You can Finish this test any time using 'Submit' button.
  • Once finished you get a chance to review all question with correct answers and their solutions.
  • You will be awarded (2) marks each for indicated correct response of each question.

1.The horizontal and vertical displacement of the projectile at time t are
where x and y are in meters and t in second.Intial velocity of the projectile in m/s
  • 15
  • 30
  • 45
  • 60

2.A boy playing on the roof of a 10 m high building throws a ball with a speed of 10 m/s at an angle of 30 ° with the horizontal. How far from the throwing point will the ball be at the height of 10 m from the ground? take g = 10 m/s2
  • 5.20 m
  • 4.33 m
  • 2.60 m
  • 8.66 m.

3.A transverse wave in a medium is described by the equation y=Asin2(wt-kx). The magnitude of the maximum velocity of particles in the medium is equal to that of the wave velocity.if the value of A is
  • λ/2π
  • λ/4π
  • λ/π
  • 2λ/π

4. A charge q is placed at the center of the line joining two equal charges Q.The system of three charges will be in equilibrium if q equal is?
  • -Q/2
  • Q/2
  • Q/4
  • -Q/4

5. Consider the following two statement A.If heat is added to the system,it temperature must increase B.If dW >0 then dV >0
  • A & B both are correct
  • A is correct only
  • B is correct only
  • A &B both are wrong

6.The displacement of a particle having wave motion given by y=cos2(t/4)sin(50t) This expression may be considered to be a result of the superposition of how many wave motions
  • One
  • Two
  • Three
  • Four

7.There are two statement about Ideal gases A. The Vrms of gas molecules depends on the mass of the gas molecule and the temperature B. The Vrms is same for all the gases at the same temperature which one of the following is correct
  • A & B both are correct
  • A is correct only
  • B is correct only
  • A &B both are wrong

8.A spring balance is attached to the ceiling of a lift. A man hangs his bag on the spring and the spring reads 49 N, when the lift is stationary. If the lift moves downward with an acceleration of 5 m/s2, the reading of the spring balance will be
  • 24 N
  • 74 N
  • 15 N
  • 49 N

9.A block of mass M is pulled along a horizontal friction surface by a rope of mass m. If a force P is applied at the free end of the rope, the force exerted by the rope on the block is
  • Pm/m+M
  • P
  • PM/m+M
  • Pm/M-m

10.A metallic sphere has a cavity of diameter D at its center.If the sphere is heated,the diameter of the . cavity will
  • Decrease
  • Increase
  • Remain unchanged
  • none of the above

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