Science, asked by ubaid5, 1 year ago

a concave mirror has focal length 20cm. At what distance from the pole of the mirror a parallel beam of light would be focused after reflection

Answers

Answered by Shaadshaad2
3
it was a at the same distance
Answered by sharishabhimanyu
4

Answer:20cm

Explanation:Because the object is a infinite that is why they have mentioned a parallel beam of light.....

Hope it helps you....

Answered by sharishabhimanyu
3

Answer:20cm

Explanation:Because the object is a infinite that is why they have mentioned a parallel beam of light.....

Hope it helps you....

Answered by sharishabhimanyu
1

Answer:20cm

Explanation:Because the object is a infinite that is why they have mentioned a parallel beam of light.....

Hope it helps you....

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