151. The angle of contact of a liquid with a solid does not depend on

1. 1. The angle of inclination of t he solid to the solid-liquid surface

   
   
   

   2. The nature of the liquid and the solid

   
   
   

   3. The medium which exists above the free surface of the liquid

   
   
   

   4. None of the above

   
   
   

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   N/A

   Correct Option: A

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152. A simple pendulum is vibrating in an evacuated chamber. It will

1. 1. Come to rest eventually

   
   
   

   2. Oscillate for ever with the same amplitude and Frequency

   
   
   

   3. Oscillate with the same amplitude will Decreases with time

   
   
   

   4. Oscillate with the same amplitude but frequency will Decrease with time

   
   
   

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   N/A

   Correct Option: B

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153. A body slides down a frictionless inclined plane when released from rest. Another body falls freely from the same height, then

1. 1. Both reach the ground together

   
   
   

   2. Body sliding down the plane will strike the ground first

   
   
   

   3. Both reach the ground with same acceleration

   
   
   

   4. Both reach the ground with the same speed

   
   
   

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   N/A

   Correct Option: D

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154. Consider the following statements The acceleration due to earth's gravity decreases if
     1. We go down from the surface of the earth towards its centre
     2. We go up from the surface of the earth
     3. We go from the equator towards the pole
     4. The rotational speed of the earth is increased
     Which of these statements are correct?

1. 1. 1 and 2

   
   
   

   2. 3 and 4

   
   
   

   3. 1, 2 and 4

   
   
   

   4. 2, 3 and 4

   
   
   

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   N/A

   Correct Option: C

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155. Consider the following statements
     1. A geo-stationary satellite is at an approximate height of 10,000 km.
     2. FM transmission of music is a very good quality because the atmospheric or man made noises. Which are generally frequency variations can do little harm?
     Which of the statements give above is / are correct?

1. 1. 1 only

   
   
   

   2. 2 only

   
   
   

   3. Both 1 and 2

   
   
   

   4. Neither 1 not 2

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

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