1. Erg X Sec is the unit of

1. 1. Angular momentum

   
   
   

   2. Linear momentum

   
   
   

   3. Planck's constant

   
   
   

   4. Energy

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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2. Pick out the only scalar quantity

1. 1. Power

   
   
   

   2. Electric fileld

   
   
   

   3. Magnetic momentum

   
   
   

   4. Average Velocity

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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3. Masses of stars and galaxies are usually expressed in terms of

1. 1. Neutron mass

   
   
   

   2. Earth's mass

   
   
   

   3. Solar mass

   
   
   

   4. Lunar mass

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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4. An object with a constant speed

1. 1. Is not accelerated

   
   
   

   2. Might be accelerated

   
   
   

   3. Is always accelerated

   
   
   

   4. Also has a constant velocity

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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5. Pick out the only vector quantity

1. 1. Pressure

   
   
   

   2. Impulse

   
   
   

   3. Gravitational potential

   
   
   

   4. Co-efficient of friction

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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