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Physics Test 18...

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  • Question 1
    4 / -1

  • Question 2
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    A thief is running away on a straight road on a jeep moving with a speed of 9 m/s. A police man chases him on a motor cycle moving at a speed of 10 m/s. If the instantaneous separation of jeep from the motor cycle is 100 m, how long will it take for the police man to catch the thief?

  • Question 3
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    Six vectors have the magnitudes and directions indicated in the figure. Which of the following statements is true?

  • Question 4
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    The pulleys and strings shown in the figure are smooth and of negligible mass. For the system to remain in equilibrium, the angle θ should be

     

  • Question 5
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    When a rubber-band is stretched by a distance x, it exerts restoring force of magnitude F = ax + bx² where a and b are constants. The work done in stretching the unstretched rubber-band by L is:

  • Question 6
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  • Question 7
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    A body is projected up with a velocity equal to 3/4th of the escape velocity from the surface of the earth. The height it reaches from the centre of the earth is (Radius of the earth = R)

  • Question 8
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    Choose the wrong statement.

  • Question 9
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    Wax is coated on the inner wall of a capillary tube and the tube is then dipped in water. Then, compared to the unwaxed capillary, the angle of contact q and the height h upto which water rises change. These changes are : 

  • Question 10
    4 / -1

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