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Physics
Gravitation
CBSE
Class 9
Physics
Class 9 - Physics
Gravitation
MCQ
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1.
A proton moving with a velocity of 106 m/s collides with a neutron at rest.If collision is prefectly elastic then after collision,
a.
velocity of neutron remains zero
b.
velocity of neutron becomes
10
6
m/s
c.
velocity of neutron becomes
0.5x10
6
m/s
d.
cannot predict.
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