A block of mass as shown is released fro...

A block of mass as shown is released from rest from top of a fixed smooth hemisphere. Find angle made by this particle with vertical at the instant when it looses contact with hemisphere.

`cos^-1 (2/3)`

`cos^-1 (1/3)`

`cos^-1 (1/2)`

`cos^-1 (1/4)`

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2021-PHYSICS SECTION B

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