Physics - Sound Wave Question with Solution | TestHub

PhysicsSound WaveWavesEasy2 minQB

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A speaker output is raised from 5 mW to 500 mW. The power increase in dB is:

Answer:

Solution:

Gain = $10 log_{10} (500/5) = 10 log 100 = 20$ dB.

Stream:JEESubject:PhysicsTopic:Sound WaveSubtopic:Waves

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