Latest KVPY Aptitude Question SOLUTION: A standing wave in a pipe with a length L = 1.2 m is described by y (x,t)= y0 sin [(2π/L)x] sin [(2π/L)x + π/4] Based on above information, which one of the following statements

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(#M40027015) KVPY question General Ability Test Keep an EYE

A standing wave in a pipe with a length L = 1.2 m is described by
y (x,t)= y0 sin [(2π/L)x] sin [(2π/L)x + π/4]
Based on above information, which one of the following statements is incorrect.
(Speed of sound in air is 300 m s–1)–
(A) The pipe is closed at both ends
(B) The wavelength of the wave could be 1.2 m
(C) There could be a node at x = 0 and antinode at x = L/2
(D) The frequency of the fundamental mode of vibrations is 137.5 Hz

Asked In KVPY MAN (11 years ago)

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