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| 1. |
The intensity of sound from a radio at a distance of 2 metres from its speaker is `1xx0^(-2) mu W//m^(2)`. The intensity at a distance of 10 meters would beA. `0.2 xx10^(-2) mu W//m^(2)`B. `1xx10^(-2) mu W//m^(2)`C. `4xx10^(-4) mu W//m^(2)`D. `5xx10^(-2) mu W//m^(2)` |
| Answer» Correct Answer - C | |