Question

If an object of 5 cm high is placed at a distance of 15 cm from a convex lens of focal length 10 cm , find the nature, position and size of the image

Answer 1

this is answer of your question

Answer 2

Hey,
u = 15 cm
v = ?
f = 10 cm

So,

1/f = 1/v - 1/u

1/10 = 1v - 1/-15

1/v = 1/10 - 1/15

1/v = 3-2/30

v = 30 cm.


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