MCQOPTIONS
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| 1. |
Consider the following statements: Sound waves can undergo [NDA] 1. reflection 2. refraction 3. interference |
| A. | 1 and 2 only |
| B. | 2 and 3 only |
| C. | 1 and 3 only |
| D. | 1, 2 and 3 |
| Answer» E. | |