Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Book Online Demo
Check Your IQ
Try Test

Courses

Dropper NEET CourseDropper JEE CourseClass - 12 NEET CourseClass - 12 JEE CourseClass - 11 NEET CourseClass - 11 JEE CourseClass - 10 Foundation NEET CourseClass - 10 Foundation JEE CourseClass - 10 CBSE CourseClass - 9 Foundation NEET CourseClass - 9 Foundation JEE CourseClass -9 CBSE CourseClass - 8 CBSE CourseClass - 7 CBSE CourseClass - 6 CBSE Course
Offline Centres

Q.

Find the curved surface area (C.S.A.) and total surface area (T.S.A.) of a solid hemisphere of radius Question Image .


see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

Question Image

b

Question Image

c

Question Image

d

Question Image 

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

 The radius of a hemisphere is 14cm14cm .
seoSurface area of a sphereQuestion Image Curved surface area of a hemisphere =Question Image of surface area of a sphere
⇒ Curved surface area of a hemisphere =Question Image Curved surface area of a hemisphere =
Question Image Question ImageTherefore, from above we see that the curved surface area of a hemi sphere of radius Question Image  is Question Image  ∴Total surface area (T.S.A.) of a hemisphere = Curved surface area (C.S.A.) + Area of a circle formed.
⇒ Total surface area of a hemisphere = Question Image ⇒ Total surface area of a hemisphere Question Image Substituting value of radius r Question Image in the above equation. We have,Question Image Therefore, from above we see that the total surface area of a hemisphere of radiusQuestion Image  is Question Image  So, option 2 is correct.
 
Watch 3-min video & get full concept clarity
Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Books for IIT JEE
Best Books for NEET
How to Join IIT after 10th

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Books for IIT JEE
Best Books for NEET
How to Join IIT after 10th
whats app icon