A fan is making 600 revolutions per minute. If after some time it ma – McqOptions

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1.	A fan is making 600 revolutions per minute. If after some time it makes 1200 revolutions per minute, then increase in its angular velocity is [BHU 1999]
A.	\[10\,\pi \,rad/\sec \]
B.	\[20\,\pi \,rad/\sec \]
C.	\[40\,\pi \,rad/\sec \]
D.	\[60\,\pi \,rad/\sec \]
Answer» C. \[40\,\pi \,rad/\sec \]

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