Science, asked by amaanfai786, 6 months ago

if the power of lense is -2 D then what is its focal length

Answers

Answered by sanju123devi321

1

Answer:

1/power of lens

1/2=0.5m that is 50 cm

Explanation:

focal.length is 50 cm

plz follownme.if you got this

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