- What physical quantity is measured in decibels (dB)?
A
Frequency
B
Sound intensity
C
Wavelength
D
Speed
Answer and explanation
Correct Answer: B — Sound intensity
Sound intensity (loudness) is measured in decibels.
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Browse the question list for Sound in Physics, SSC CGL 2021.
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Frequency
Sound intensity
Wavelength
Speed
Sound intensity (loudness) is measured in decibels.