MCQOPTIONS
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| 1. |
What will be the resultant decibel level when two sources make noise of equal decibels? |
| A. | Decibel level will be the same |
| B. | Decibel level will increase by 3 decibels |
| C. | Decibel level will decrease by 3 decibels |
| D. | Decibel level will be equal to the sum of decibels of the two sources |
| Answer» C. Decibel level will decrease by 3 decibels | |