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Find the power of a concave …

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Find the power of a concave lens of focal length 25cm

Posted by Archana Rawat 4 years, 5 months ago

CBSE > Class 10 > Science

1 answers

Sia ? 4 years, 5 months ago

Here, P = ?
f = −25 cm
As P = 100/f, f = 100/−25
= −4 dioptre

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