MHT CET 2025 26th April Morning Shift | Waves Question 11 | Physics

An air column is of length 17 cm . The ratio of frequencies of $5^{\text {th }}$ overtone if the air column is closed at one end to that open at both ends is (velocity of sound in air $=340 \mathrm{~ms}^{-1}$ )

$\frac{9}{11}$

$\frac{5}{7}$

$\frac{11}{12}$

$\frac{13}{9}$

MHT CET 2025 26th April Morning Shift

MCQ (Single Correct Answer)

-0

In Sonometer experiment, the frequency of a tuning fork used is 288 Hz . Harmonics will 'NOT' be produced at the frequency

288 Hz

576 Hz

844 Hz

864 Hz

MHT CET 2025 25th April Evening Shift

MCQ (Single Correct Answer)

-0

The fundamental frequencies of vibrations of air column in pipe open at both ends and in pipe closed at one end are ' $\mathrm{n}_1$ ' and ' $\mathrm{n}_2$ ' respectively, then

$\mathrm{n}_1=\mathrm{n}_2$

$\mathrm{n}_1=2 \mathrm{n}_2$

$\quad 2 n_1=n_2$

$3 n_1=4 n_2$

MHT CET 2025 25th April Evening Shift

MCQ (Single Correct Answer)

-0

In an open end organ pipe of length ' $L$ ', if the velocity of sound is ' V ', then the fundamental frequency will be (Neglect end correction)

$\frac{\mathrm{V}}{2 \mathrm{~L}}$ and all harmonics are present.

$\frac{\mathrm{V}}{4 \mathrm{~L}}$ and all harmonics are present.

$\frac{\mathrm{V}}{2 \mathrm{~L}}$ and even harmonics are present.

$\frac{\mathrm{V}}{4 \mathrm{~L}}$ and even harmonics are present.

PREVIOUS NEXT

MHT CET Subjects