NAT I Computer Science Physics With Answers

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NAT I Computer Science Physics

Sr. # Questions Answers Choice
1 What remains constant when the earth revolves around the sun? Angular momentum Linear momentum Angular kinetic energy Linear kinetic energy
2 What remains constant in the field of central force? Potential energy Kinetic energy Angular momentum Linear momentum
3 Angular momentum is Vector (axial) Vector (polar) Scalar None of these
4 A body moving in circular motion with constant speed has Constant velocity Constant acceleration Constant kinetic energy Constant displacement
5 A 2 kg body and a 3 kg body have equal momentum if the kinetic energy of 3 kg body is 10 j, the KE of 2 kg body will be 6.66 j 15 j 22.5 j 45 j
6 A particle moves along a circular path under the action of a force. The work done by the force is <span style="font-size: 14.44444465637207px;">Zero</span> <span style="font-size: 14.44444465637207px;">Positive and non-zero</span> <span style="font-size: 14.44444465637207px;">Negative and non zero</span> <span style="font-size: 14.44444465637207px;">None of above</span>
7 A man pushes a wall but fails to displace it. He does: Negative work Maximum positive work Positive work but not maximum No work
8 A bullet is short from a rifle. As a result the rifle recoils, The kinetic energy of rifle as compared to that of bullet is Less Greater Equal Cannot be concluded
9 How much water a pump of 2kW can raise in one minute to a height of 10 m. take g = 10 m/s2? 1000 liters 1200 liters 100 liters 2000 liters
10 Two bodies with masses MA and MB are moving with equal kinetic energy.Their linear moments are numerically in a ratio | PA| : |PB| will be: &nbsp;<span style="font-size: 14.44444465637207px;">M</span><sub>B&nbsp;</sub>:&nbsp;<span style="font-size: 14.44444465637207px;">M</span><sub>A</sub> <span style="font-size: 14.44444465637207px;">M</span><sub>A&nbsp;</sub>:&nbsp;<span style="font-size: 14.44444465637207px;">M</span><sub>B</sub> √<span style="font-size: 14.44444465637207px;">M</span><sub>A</sub>&nbsp;:&nbsp;√<span style="font-size: 14.44444465637207px;">M</span><sub>B</sub> <span style="font-size: 14.44444465637207px;">M</span><sub>A</sub><sup>2</sup><sub>&nbsp; </sub>:&nbsp;<span style="font-size: 14.44444465637207px;">M</span><sub>B</sub><sup>2</sup>
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