Assertion : The power of an engine depends on mass, angular speed, torque and angular momentum, then the formula of power is not derived with the help of dimensional method.Reason : In mechanics, if a particular quantity depends on more than three quantities, then we cannot derive the formula of the quantity by the help of dimensional method.

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

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

If the assertion is true but reason is false.

If both the assertion and reason are false.

answer is A.

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Detailed Solution

Here Assertion is correct, but Reason is true as per the limitations of dimensional analysis.

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