MCQOPTIONS
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| 1. |
Consider ten identical sources of sound all giving the same frequency but having phase angles which are random. If the average intensity of each source is \[{{I}_{0}}\], the average of resultant intensity I due to all these ten sources will be [MP PMT 1990] |
| A. | \[I=100\,{{I}_{0}}\] |
| B. | \[I=10\,{{I}_{0}}\] |
| C. | \[I={{I}_{0}}\] |
| D. | \[I=\sqrt{10}\,{{I}_{0}}\] |
| Answer» C. \[I={{I}_{0}}\] | |