MCQOPTIONS
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| 1. |
For destructive interference to take place, the path difference between the two waves should be: |
| A. | nλ |
| B. | 2nλ |
| C. | (n + 1/2)λ |
| D. | (2n + 1)λ |
| Answer» B. 2n‚âà√≠¬¨‚Ñ¢ | |