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

Physics Motion in a Plane Assertion & Reason MCQ (Single Correct)

In this question, a statement of assertion is followed by a statement of reason (r). Mark

the correct choice as:

Assertion: Velocity is a vector quantity.

Reason: A bus moving due north takes a turn and starts moving towards east with same speed. There will be no change in the velocity of bus.

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:

: As velocity is a vector quantity, its value changes with change in direction. Therefore, when a

bus takes a turn from north to east its velocity will also change. Velocity is proportional to displacement and displacement is distance travelled in a particular direction. Hence velocity is a vector quantity which depends on direction of body

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