In this question, a statement of assertion is followed by …

Physics Work, Energy, Power and Collision Assertion & Reason MCQ (Single Correct)

In this question, a statement of assertion is followed by a statement of reason . Mark the correct choice as:

Assertion: No particle may have a speed as large as speed of light.
Reason: Infinite energy of any substance or system is not possible.

If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true but reason is not the correct explanation of assertion.

If assertion is true but reason is false.

If assertion is false but reason is true.

Text Solution

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The correct answer is:

At sufficiently high speed (comparable to the speed of light) the law of newtonian mechanics

are no longer precisely correct but must be replaced by the more general relations predicted by the special

The expression becomes very large as v becomes equal to c, and predicts an infinitely large mass. This suggests becomes infinity.

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