NAT I Medical Physics With Answers

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NAT I Medical Physics

Sr. # Questions Answers Choice
1 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
2 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>
3 A man pushes a wall but fails to displace it. He does: Negative work Maximum positive work Positive work but not maximum No work
4 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
5 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
6 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>
7 Two bodies of masses m1 and m2 have equal momentum their kinetic energies E1 and E2 are in the ratio √m<sub>1</sub> :&nbsp;√m<sub>2</sub> <span style="font-size: 14.44444465637207px;">m</span><sub>1 </sub>:&nbsp;<span style="font-size: 14.44444465637207px;">m</span><sub>2</sub> <span style="font-size: 14.44444465637207px;">m</span><sub>2 </sub>:&nbsp;<span style="font-size: 14.44444465637207px;">m</span><sub>1</sub> <span style="font-size: 14.44444465637207px;">m</span><sub>1</sub><sup>2</sup>&nbsp;:&nbsp;<span style="font-size: 14.44444465637207px;">m</span><sub>2</sub><sup>2</sup>
8 A body of mass 2 kg is thrown up vertically with K.E of 490 joules If the acceleration due to gravity is 9.8 m/s2 the height at which the K.E of the body becomes half its original value is give by: 50 m 12.5 m 25 m 10 m
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