savitri had to make a model of a cylindrical kaleidoscope for her science project . she wanted to use chart paper to make the curved surface of the kaleidoscope. what should be the area of chart paper required by her , if she wanted to make a kaleidoscope of length 25 cm with a 3.5 cm radius ?

Answers (1)

solution :  We have , 

                r= Radius of the base of the cylinderical kaleidoscope = 3.5 cm 

                h = Height (length )  of kaleidoscope = 25cm 

	herefore              Area of the chart paper required  = Curved surface area of the kaleidoscope 

                                                                      =     2pi rh=2	imes frac227	imes 3.5 	imes 25 cm^2= 550 cm^2

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