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JEE PHYSICS MCQ: MECHANICAL PROPERTIES OF FLUIDS

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Analyzing +4 | -1

Assertion: The size of the needle of a syringe controls flow rate better than the thumb pressure exerted by a doctor while administering an injection.
Reason: Flow rate is independent of pressure exerted by the thumb of the doctor.

View answer and explanation

Correct option: C

If assertion is true, but reason is false

Option C is correct because the assertion is true; the needle size controls flow rate better. However, the reason is false; flow rate is dependent on the pressure exerted by the doctor.

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