wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The radius of a sphere increases from 3 units to 5 units. What is the increase in the following quantities?

A
64π unit2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
3923π
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
2 unit
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution


Initial radius (r)=3 unit
Final radius (R)=5 unit
Increase in radius =53=2 unit

Initial Surface Area =4πr2=4π(3)2=36π unit2

Final Surface Area =4πR2=4π(5)2=100π unit2

Increase in Surface Area =100π36π
Increase in Surface Area =64π unit2

Initial Volume =43πr3=43π(3)3=1083π unit3

Final Volume =43πR3=43π(5)3=5003π unit3

Increase in Volume =5001083π

Increase in Volume =3923π unit3

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Introduction to Sphere and its Surface Area
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon