Physics, asked by gajada150, 1 month ago

An electric lamp and a screen are placed on the table, in a line at a
distance of 1m. In what positions of convex lens of focal length of f = 21
cm will the image of lamp be sharp?

Answers

Answered by manasijena8679

7

Answer Will be 20

Hope it will be helpful for you

Answered by yashrajgupta95

5

Answer:

20

please mark me brainlist answer

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