In case of stationary wave pattern, which of the following statement is CORRECT? (a) The distance between consecutive antinodes is equal to the wavelength. (b) In a pipe open at both ends when an air column is vibrated, only even harmonics are present. (c) When an air column is vibrated in a pipe closed at one end, all harmonics are present. (d) In the case of a stretched string, when vibrated frequency of the first overtone is same as the second harmonic.

Answer: (d). (a) Consecutive antinodes are (λ)/(2) apart, not λ: false. (b) An open pipe gives all harmonics: false. (c) A closed pipe gives only odd harmonics: false. (d) For a string the first overtone is the second harmonic 2n: true. So the answer is (d).

In case of stationary wave pattern, which of the following statement… | MHT CET 2026 (17 Apr, Shift 1)

Q5MHT CET 2026 · 17 APR · SHIFT 1Easy

Stationary Waves & Vibrating Strings

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

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Answer: (d)

(a) Consecutive antinodes are $\frac{\lambda}{2}$ apart, not $\lambda$ : false.
(b) An open pipe gives all harmonics: false.
(c) A closed pipe gives only odd harmonics: false.
(d) For a string the first overtone is the second harmonic $2n$ : true.
So the answer is (d).

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