A lens is placed between a source of light and a wall. It forms
images of area ????₁ and ????₂ on the wall for its two different positions.
The area of the source of light is
(a) √????₁ ????₂ (b) ????₁ + ????₂
2
(c) ????₁ - ????₂ (d) 1 + 1
2 ????₁ ????₂
Answers
Answered by
0
Answer:
(a) √????1????2
Explanation:
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Answered by
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Answer:
Hello mate
Option 1 is correct....
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