Question

The surface areas of two spheres are
in the ratio 1 : 4 then, ratio of their
volumes is
.
Id 1
A) 1:4
B) 2:8
C) 1:16
D) 1:64​

Answer 1

Answer:

Ratio of surface area of sphere=1:4

4πR²/4πr²=1/4

R²/r²=1/4

R/r=1/2

Volume of sphere= 4/3πr³

(4/3πR³)/(4/3πr³)

R³/r³

(1/2)³

1/8

Answer 2

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