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A 2.0 cm tall object is placed 40 cm from a diverging lens of focal length 15 cm.find the size of image.

Posted by Prince Rajput 5 years, 3 months ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years, 3 months ago

h₁ = 2 cm

u = -40 cm

f = -15 cm

1/v – 1/u = 1/f

1/v – 1/-40 = 1/-15

1/v = - (1/15) – 1/40

1/v = -11/120

V = -10.90 cm

m = v/u = h₂/h₁

-10.90/-40 = h₂/2

h₂ = 0.54 cm

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CBSE > Class 10 > Science