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
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it was a at the same distance
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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
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
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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