MCQOPTIONS
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| 1. |
A point source emits sound equally in all directions in a non-absorbing medium, Two points P and Q are at distance of 2m and 3m respectively from the source. The ratio of the intensities of the waves at P and Q is [CBSE PMT 2005] |
| A. | 9 : 4 |
| B. | 2 : 3 |
| C. | 3 : 2 |
| D. | 4 : 9 |
| Answer» B. 2 : 3 | |