Assertion A A man standing on a completely frictionless surface can propel himself by whistling Reas...........

General Science (Easy) Physics

Assertion (A) : A man standing on a completely frictionless surface can propel himself by whistling.

Reason (R) : If no external force acts on a system, its momentum cannot change.

Both A and R are true and R is the correct explanation of A

Both A and R are true but R is not a correct explanation of A

A is true but R is false

A is false but R is true

Both A and R are true but R is not a correct explanation of A

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