Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

The combination of a convex lens of power +2D and a concave lens of power -2D, acts as :
 

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya

a

A convex lens of power 4D

b

A concave lens of power -4D

c

Prism

d

A  lens of power 0 D

answer is B.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

detailed_solution_thumbnail

Power of concave lens = -2D
Power of convex lens = +2D

The effective power of combined lenses= Sum of the power of individual lenses

Effective power = -2D + 2D = 0D

Therefore, the combination of the lens will act as a lens with power 0D.
 

Watch 3-min video & get full concept clarity

course

No courses found

Ready to Test Your Skills?

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

Take Free Test

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon