Science, asked by saiesh58, 1 year ago

Power of a convexx lens is 4D. Find its focal length

Answers

Answered by priya9993

1

Focal length is equal to 100/power and it will comes in cm

Answered by DynamicEngine2001

2

we know that

power = 1 / -focal length ...

4 = 1 / -f

their fore

f = -0.25 cm

saiesh58: welcome, frnd

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