Assertion :Two bodies of different masses have same kinetic energies. Their momenta are in the direct ratio of their masses. Reason: p=mv
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is incorrect but Reason is correct
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D
Both Assertion and Reason are incorrect
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Solution
The correct option is C Assertion is incorrect but Reason is correct Given that, 12m1v21=12m2v22 ...(equation 1) ⟹(v1v2)2=m2m1⟹v1v2=√m2m1 ...(equation 2) By equation 1 and 2, m1v1m2v2=v2v1=√m1m2