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SSC CGL 2021 Physics Sound Questions

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HomeExamSSC CGL2021PhysicsSound

SSC CGL 2021 Physics Sound Questions

Browse the question list for Sound in Physics, SSC CGL 2021.

1 questions · Page 1 of 1

Question 1

What physical quantity is measured in decibels (dB)?

A

A: Frequency

B

B: Sound intensity

C

C: Wavelength

D

D: Speed

SSC CGL2021PhysicsSound

Answer and explanation

Correct Answer: B — B: Sound intensity

Sound intensity (loudness) is measured in decibels.