MHT CET 2025 19th April Morning Shift | Waves Question 59 | Physics

A string of mass $0.1 \mathrm{kgm}^{-1}$ has length 0.9 m . It is fixed at both ends and stretched such that it has a tension of 40 N . The string vibrates in three segments with amplitude 0.3 cm . The amplitude (maximum) of the particle velocity is (in $\mathrm{m} / \mathrm{s}$)

$\frac{\pi}{2}$

$\frac{\pi}{3}$

$\frac{\pi}{5}$

$\frac{\pi}{6}$

MHT CET 2025 19th April Morning Shift

MCQ (Single Correct Answer)

-0

The fundamental frequency of a closed pipe of length $L$ is equal to the second overtone of a pipe open at both the ends of length (XL). The value of X is (Neglect end correction)

MHT CET 2024 16th May Evening Shift

MCQ (Single Correct Answer)

-0

Two sound waves having frequencies 250 Hz and 256 Hz superimpose to produce beat wave. The resultant beat wave has intensity maximum at $\mathrm{t}=0$. After how much time an intensity will be minimum produced at the same point?

$\frac{1}{6} \mathrm{~s}$

$\frac{1}{24} \mathrm{~s}$

$\frac{1}{18} \mathrm{~s}$

$\frac{1}{12} \mathrm{~s}$

MHT CET 2024 16th May Evening Shift

MCQ (Single Correct Answer)

-0

A pipe 60 cm long and open at both the ends produces harmonics. Which harmonic mode of pipe resonates a 2.2 KHz source? (Speed of sound in air $=330 \mathrm{~m} / \mathrm{s})($ Neglect end correction)

First

Eighth

Third

Second

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