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In resonance tube, first and second resonance are obtained at depths 22.7 cm and 70.2 cm respectively. The third resonance will be obtained at a depth

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Important Questions on Superposition of Waves

MEDIUM

Physics>Waves and Oscillations>Superposition of Waves>Resonance

A resonance tube is old and has a jagged end. It is still used in the laboratory to determine the velocity of sound in air. A tuning fork of frequency

512 Hz

produces first resonance when the tube is filled with water to a mark

11 cm

below a reference mark, near the open end of the tube. The experiment is repeated with another fork of frequency

256 Hz

which produces first resonance when water reaches a mark

27 cm

below the reference mark. The velocity of sound in air, obtained in the experiment, is close to

HARD

Physics>Waves and Oscillations>Superposition of Waves>Resonance

A student is performing the experiment of the resonance column. The diameter of the column tube is

6 cm

. The frequency of the tuning fork is

504 Hz

. Speed of the sound at the given temperature is

336 m s^{- 1}

. The zero of the meter scale coincides with the top end of the resonance column tube. The reading of the water level in the column when the first resonance occurs is:

HARD

Physics>Waves and Oscillations>Superposition of Waves>Resonance

A tunning fork of frequency

340 Hz

resonates in the fundamental mode with an air column of length

125 cm

in a cylindrical tube closed at one end. When water is slowly poured in it, the minimum height of water required for observing resonance once again is _____

cm

.
(Velocity of sound in air is

340 {ms}^{- 1}

)

MEDIUM

Physics>Waves and Oscillations>Superposition of Waves>Resonance

An open pipe resonates with a tuning fork of frequency

500 Hz

. It is observed that two successive nodes are formed at distances

16

and

46 cm

from the open end. The speed of sound in air in the pipe is

EASY

Physics>Waves and Oscillations>Superposition of Waves>Resonance

A tuning fork is used to produce resonance in glass tube. The length of the air column in this tube can be adjusted by a variable piston. At room temperature of

27^{o} C

two successive resonances are produced at

20 cm

and

73 cm

of column length. If the frequency of the tuning fork is

320 Hz

, the velocity of sound in air at

27^{o} C

EASY

Physics>Waves and Oscillations>Superposition of Waves>Resonance

An air column, closed at one end and open at the other, resonates with a tuning fork when the smallest length of the column is

50 cm

. The next larger length of the column resonating with the same tuning fork is:

HARD

Physics>Waves and Oscillations>Superposition of Waves>Resonance

A tuning fork of frequency 340 Hz is vibrated just above the tube of 120 cm height. Water is poured slowly in the tube, what is the minimum height of water necessary for the resonance?

EASY

Physics>Waves and Oscillations>Superposition of Waves>Resonance

In a resonance tube the first resonance with a tuning fork occurs at

16 cm

and second at

49 cm

. If the velocity of sound is

330 m s^{- 1}

, the frequency of tuning fork is

MEDIUM

Physics>Waves and Oscillations>Superposition of Waves>Resonance

While measuring the speed of sound by performing a resonance column experiment, a student gets the first resonance condition at a column length of

18 cm

during winter. Repeating the same experiment during summer, she measures the column length be

x cm

for the second resonance. Then

HARD

Physics>Waves and Oscillations>Superposition of Waves>Resonance

A tuning fork of frequency

340 Hz

is vibrated just above the tube of

120 cm

height. Water is poured slowly in the tube. What is the minimum height of water necessary for the resonance? (Speed of sound in air is

340 m s^{- 1}

)

EASY

Physics>Waves and Oscillations>Superposition of Waves>Resonance

A student performed the experiment to measure the speed of sound in air using resonance air-column method. Two resonances in the air-column were obtained lowering the water level. The resonance with the shorter air-column is the first resonance and that with the longer air column is the second resonance. Then,

MEDIUM

Physics>Waves and Oscillations>Superposition of Waves>Resonance

A loudspeaker that produces signals from

50 Hz

500 Hz

is placed at the open end of a closed tube of length

1.1 m .

The lowest and the highest frequency that excites resonance in the tube are

f_{i}

and

f_{h}

respectively. The velocity of sound is

330 m s^{- 1} .

Then

MEDIUM

Physics>Waves and Oscillations>Superposition of Waves>Resonance

A piston fitted in cylindrical pipe is pulled as shown in the figure. A tuning fork is sounded at open end and loudest sound is heard at open length 13cm, 41 cm and 69 cm, the frequency of tuning fork if velocity of sound is

350 m s^{- 1}

EASY

Physics>Waves and Oscillations>Superposition of Waves>Resonance

An open pipe of sufficient length is being dipped in water with a speed $v$ vertically. If at any instant $l$ is the length of the tube above water. Then the rate at which fundamental frequency of pipe changes, is (speed of sound = $c$ )

Question Image

EASY

Physics>Waves and Oscillations>Superposition of Waves>Resonance

A tuning fork of frequency

500 Cycles s^{- 1}

is sounded on a resonance tube. The first and second resonance is obtained at

17 cm

and

52 c m

. the velocity of sound in

m s^{- 1}

MEDIUM

Physics>Waves and Oscillations>Superposition of Waves>Resonance

Select the correct alternative (s) :
A student performed the experiment to measure the speed of sound in air using resonance air- column method. Two resonances in the air-column were obtained by lowering the water level. The resonance with the shorter air-column is the first resonance and that with the longer air-column is the second resonance. Then :

MEDIUM

Physics>Waves and Oscillations>Superposition of Waves>Resonance

If V is the speed of sound in air then the shortest length of the closed pipe which resonates to a frequency v, is

MEDIUM

Physics>Waves and Oscillations>Superposition of Waves>Resonance

In an experiment of resonance tube, first resonance occurs at

l = 10 cm

from the open end of the tube. End correction of the tube is

1.0 cm

and the frequency of tuning fork is

700 Hz .

MEDIUM

Physics>Waves and Oscillations>Superposition of Waves>Resonance

In the experiment to determine the speed of sound using a resonance column

EASY

Physics>Waves and Oscillations>Superposition of Waves>Resonance

A tuning fork of frequency

500 cycle s^{- 1}

is sounded on a resonance tube. The first and second resonance is obtained at

17 cm

and

52 cm

. The velocity of sound in

m s^{- 1}

In resonance tube, first and second resonance are obtained at depths 22.7 cm and 70.2 cm respectively. The third resonance will be obtained at a depth

Important Questions on Superposition of Waves

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