MCQOPTIONS
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| 1. |
Which of the following statements is correct, when two sound waves with same frequency and constant phase difference interfere? |
| A. | There is a gain of energy. |
| B. | There is a loss of energy. |
| C. | The energy is redistributed as direction change. |
| D. | The energy is redistributed and the distribution remains constant in time. |
| Answer» E. | |