Question

A sphere of radius r is cut by a plane at a distance of h from its center, thereby breaking this sphere into two different pieces. The cumulative surface area of these two pieces is 25% more than that of the sphere. Find h

CAT 2021

A
r/√2
CORRECT ANSWER WRONG ANSWER
B
r/√3
CORRECT ANSWERWRONG ANSWER
C
r/√5
CORRECT ANSWERWRONG ANSWER
D
r/√6
CORRECT ANSWERWRONG ANSWER
Solution

Correct option is

(A)