![In a photometer two sources of light when placed at 30 and 50 cm respectively produce shadow of equal intervals. Their candles are in the ratio of](https://www.gkseries.com/blog/wp-content/uploads/2022/05/In-a-photometer-two-sources-of-light-when-placed-at-30-and-50-cm-respectively-produce-shadow-of-equal-intervals.-Their-candles-are-in-the-ratio-of.png)
Q. In a photometer two sources of light when placed at 30 and 50 cm respectively produce shadow of equal intervals. Their candles are in the ratio of
A. 9/25
B. 16/25
C. 3/5
D. 6/25
Answer: 9/25
A. 9/25
B. 16/25
C. 3/5
D. 6/25
Answer: 9/25
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