Physics, asked by harshavardhan2125, 1 year ago

find the focal length of lens if power = -20 d.

Answers

Answered by tushar8138
2
answer will be 1÷20=0.05 because power=1/f
Answered by rs3855051
0

Answer:

Heya

here -50 is the correct ans

i hope you are satisfied with my ans

thanks

if this help you then can you please Mark my ans as brainlist

thanks

Attachments:
Similar questions