Assertion [A]: A man standing on a completely frictionless – McqOptions

MCQOPTIONS

1.	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. [IAS Prelim]
A.	Both A and R are true and R is the correct explanation of A
B.	Both A and R are true but R is not a correct explanation of A
C.	A is true but R is false
D.	A is false but R is true
Answer» C. A is true but R is false

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