The ratio between the curved surface area and the total surface area of a right circular cylinder is 1:2 . Find the ratio between the height and radius of the cylinder .

Answers (1)

Solution:  Let h be the height and r be the radius of the cylinder . Then , 

                 frac2pi rh2pi rh+2 pi r^2= frac12

Rightarrow             frac2pi rh 2pi r(h+r)=frac12

Rightarrow            frachh+r=frac12Rightarrow 2h=h+r Rightarrow h=r Rightarrow h:r=1:1

Hence , the required ratio is 1:1 . 

Most Viewed Questions

Preparation Products

Knockout JEE Main (Six Month Subscription)

- AI Coach Study Modules, - Unlimited Mock Tests, - Study Improvement Plan.

₹ 9999/- ₹ 8499/-
Buy Now
Knockout JEE Main (Nine Month Subscription)

- AI Coach Study Modules, - Unlimited Mock Tests, - Study Improvement Plan.

₹ 13999/- ₹ 12499/-
Buy Now
Knockout NEET (Six Month Subscription)

- AI Coach Study Modules, - Unlimited Mock Tests, - Study Improvement Plan.

₹ 9999/- ₹ 8499/-
Buy Now
Knockout NEET (Nine Month Subscription)

- AI Coach Study Modules, - Unlimited Mock Tests, - Study Improvement Plan.

₹ 13999/- ₹ 12499/-
Buy Now
Test Series JEE Main 2024

Chapter/Subject/Full Mock Tests for JEE Main, Personalized Performance Report, Weakness Sheet, Complete Answer Key,.

₹ 7999/- ₹ 4999/-
Buy Now
Boost your Preparation for JEE Main with our Foundation Course
 
Exams
Articles
Questions