- time period
- frequency
- energy
- wavelength
- 120 dB (A)
- 130 dB (A)
- 140 dB (A)
- 115 dB (A)
- 90 dB (A)
- 85 dB (A)
Q) The number of cycles a wave completes in one second is called?
Solution:
(b) frequency
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