A microphone is connected to a cathode ray oscilloscope. A loudspeaker giving a single note is switch on. The trace shown in the figure appears on the screen. |
Which of the following shows the softer but same frequency note of the given note? |
A)
B)
C)
D)
Correct Answer: A
Solution :
The sound wave having less amplitude will be softer.You need to login to perform this action.
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