111. A car accelerates from rest with acceleration 1.2 m/s². A bus moves with constant speed of 12 m/s in a parallel lane. How long does the car take from its start to meet the bus.

1. 1. 17 s

   
   
   

   2. 8 s

   
   
   

   3. 20 s

   
   
   

   4. 12 s

   
   
   

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   N/A

   Correct Option: C

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112. Five equal forces of 10 N each are applied at one point and all are lying in one plane. If angles between them are equal, the resultant of these forces will be.

1. 1. Zero

   
   
   

   2. 10 N

   
   
   

   3. 20 N

   
   
   

   4. 102 N

   
   
   

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   N/A

   Correct Option: A

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113. Which of the following is a scalar quantity?

1. 1. Electric current

   
   
   

   2. Electric field

   
   
   

   3. Acceleration

   
   
   

   4. Linear momentum

   
   
   

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   N/A

   Correct Option: A

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114. The surface tension phenomenon is the result of the tendency of a system of

1. 1. Conserve energy

   
   
   

   2. Keep P.E. minimum

   
   
   

   3. Conserve volume

   
   
   

   4. Keep surface area minimum

   
   
   

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   N/A

   Correct Option: D

   N/A

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115. The period of a satellite in a circular orbit of radius R is T. The period of another satellite in circular orbit of radius 4 R is

1. 1. 4 T

   
   
   

   2. T / 4

   
   
   

   3. T / 8

   
   
   

   4. 8 T

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: D

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