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This question belongs to General Knowledge General Science

General Science

?

Decibel is the unit used for:

A) Speed of light B) Intensity of heat C) Intensity of sound D) Radio wave frequency

Answer & Solution

Correct Answer: Option C

Decibel (dB), unit for expressing the ratio between two physical quantities, usually amounts of acoustic or electric power, or for measuring the relative loudness of sounds.

Question posted by Examveda

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