Physics, asked by libra2000, 1 year ago

plz help me in this sum

the radius of a sphere is doubled, what will be the ratio of its surface area to that of the first sphere.​

Answers

Answered by kumariswati1422
2

your answer is there in the attachment.

hope it helps you!

Attachments:
Answered by yatharthmishra984
1

let the radius of 1st sphere be x

...... radius of other one will be 2x

Now , For the 1st sphere

Surface area = 4πr²

For the 2nd sphere

Surface area = 4π(2r)²

= 4π4r²

= 8πr²

Ratio of surface area from 1st to 2nd sphere is......

4πr²:8πr²

=1:2

I HOPE IT HELPS....!!!!

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MARK IT BRAINLIEST PLZ.....

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