Science, asked by RaghavSharma11, 1 year ago

power of a lens is -4 diopters its focal length is...
A) -40cm
B) 4m
C) -0.25m
D) -25m

Answers

Answered by TIGER4537

2

c) is the right answer

Answered by Nishant5001

0

p=-4m
f=1/p×100
=-0.25m
.....

Nishant5001: hey your last option is wrong i think

Nishant5001: it is cm or m

RaghavSharma11: No bro its m

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