Q. 805.0( 1 Vote )

The question cons A. Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A).

B. Both Assertion (A) and Reason (R) are true but Reason (R) is not a correct explanation of Assertion (A).

C. Assertion (A) is true and Reason (R) is false.

D. Assertion (A) is false and Reason (R) is true.

Answer :

The volume of a hollow cylinder with external and internal radii R and r respectively and height h

Thus, the volume is

Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A).

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