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If seperation between screen and source is increased by 2%. What would be the effect

If seperation between screen and source is increased by 2%. What would be the effect on the intensity?

Options

(a) increases by 4%
(b) increases by 2%
(c) decreases by 2%
(d) decreases by 4%

Correct Answer:

decreases by 4%

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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