Physics, asked by saishp6, 1 year ago

a convex lens produces an image of an object on a screen with a magnification of 1/2.When the lens is moved 30 cm away from the object , the magnification of the image is 2.The Focal length of the lens is

1) 20 cm
2) 25 cm
3) 30 cm
4) 35 cm

Answers

Answered by omkarvairagkar
0

Answer:

3-30 cm fzgushsvdushs

Answered by HarshAgrawal007
1

Answer:

find answer in doubtnut

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