Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The part of straight line 
between 
and 
is revolved about x -axis, then the curved surface of the solid thus generated is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Curved surface
Given that
and 
.
On differentiating with respect to 
,
Therefore, curved surface
.
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