Physics - Wave on String Question with Solution | TestHub

PhysicsWave on StringWavesMedium2 minQB
PhysicsMediummultiple choice

Two sine waves of slightly different frequencies and () with zero phase difference and the same amplitude, travelling in the same direction, superimpose:

Options:(select one or more)

Answer:
C, D
Solution:

The resultant amplitude is , so the intensity swings between and 0 with beat frequency . A minimum to a maximum takes half a beat period, . The ear hears beats only if is below about 10 Hz and the sounds are audible.

Stream:JEESubject:PhysicsTopic:Wave on StringSubtopic:Waves
⏱ 2mℹ️ Source: QB

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