MHT CET 2023 Physics question

In case of a stationary wave pattern which of the following statement is CORRECT?

(A)The distance between consecutive nodes is equal to the wavelength
(B)In a pipe open at both ends only even harmonics are present in an air column
(C)In a pipe closed at one end, all harmonics are present in an air column
(D)In case of a stretched string when vibrated, frequency of first overtone is same as second harmonicCorrect

Answer: (D)

Solution

In a stationary wave, the distance between consecutive nodes is , so (a) is wrong. A pipe open at both ends supports all harmonics (odd and even), , so (b) is wrong. A pipe closed at one end supports

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Question ID VK-095298