Science, asked by gshailja739, 3 months ago

find power of lens having focal length -20 state type of lens​

Answers

Answered by anuj03071996
0

Answer:

Power of lens (P) = -2.0 D

P = 1/f or f = 1/m

f = 1/-2.0 = -0.5 m

Negative sign of focal length means that the lens is concave lens.

Related Questions & Answers. Energy Associated With London Force

Explain Torque With An Example The Gravitational Unit Of Force Is

Explain The Term Force With Example During Flight The Weight Of The Plane Is Balanced By

Bryophyllum Can Reproduce By Its What Is The Role Of The Brain In Reflex Action

Like Sound Light Also Cannot Travel In Vacuum What Are The Different Units Of Light

Similar questions