MHT CET 2026 Physics question
An air column in a pipe which is closed at one end will be in resonance with a vibrating tuning fork of frequency 415 Hz for various vibrating air columns. Which one of the following lengths is not in resonance ? (velocity of sound in air =332 m/s) (Neglect end correction)
Answer: (B)
Solution
Wavelength . A closed pipe resonates when its length is an odd multiple of a quarter wavelength: , i.e. 20 cm, 60
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