A train of sound waves is propagated along a wide pipe and it is reflected from an open end. If the amplitude of the waves is $0.002 c m$ , the frequency $1000 H z$ and the wavelength $40 c m$ , the amplitude of vibration at a point $10 c m$ from open end inside the pipe will be

Z e r o

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

0.002 c m

No worries! We‘ve got your back. Try BYJU‘S free classes today!

0.001 c m

No worries! We‘ve got your back. Try BYJU‘S free classes today!

0.0005 c m

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $Z e r o$
Wavelength is $40 c m$
Amplitude to be found at 10 cm $= \frac{40}{4} c m = \frac{λ}{4}$
In open pipe from open pipe at a distance of $λ / 4$ always a node is formed. So, amplitude at 10 cm from open end will be zero because amplitude at node is zero.

Suggest Corrections

Similar questions

A train of sound waves is propagated along an organ pipe and gets reflected from an open end. If the displacement amplitude of the waves (incident and reflected) are 0.002 cm, the frequency is 1000 Hz and wavelength is 40 cm, then the displacement amplitude of vibration at a point at distance 10 cm from the open end inside the pipe, is

Q. A set of open-ended pipes with waves vibrating inside them is shown as above figure.
Identify the pipe which contains the longest wavelength of sound?

Q. An air column in a pipe closed at one end is made to vibrate in its second overtone by a tuning fork of frequency

440 H z

The speed of sound waves in air is

330 m / s

. End corrections may be neglected. Let

P_{0}

denote the mean pressure at any point in the pipe, and

Δ P_{0}

the maximum amplitude of pressure variation. Then,

Q. A set of open-ended pipes with waves vibrating inside them as per shown in above figure.

Identify the pipe containing waves with the highest frequency?

Join BYJU'S Learning Program

A train of sound waves is propagated along a wide pipe and it is reflected from an open end. If the amplitude of the waves is 0.002cm, the frequency 1000Hz and the wavelength 40cm, the amplitude of vibration at a point 10cm from open end inside the pipe will be

The correct option is A ZeroWavelength is 40cmAmplitude to be found at 10 cm =404cm=λ4In open pipe from open pipe at a distance of λ/4 always a node is formed. So, amplitude at 10 cm from open end will be zero because amplitude at node is zero.

A train of sound waves is propagated along a wide pipe and it is reflected from an open end. If the amplitude of the waves is $0.002 c m$ , the frequency $1000 H z$ and the wavelength $40 c m$ , the amplitude of vibration at a point $10 c m$ from open end inside the pipe will be

The correct option is A $Z e r o$
Wavelength is $40 c m$
Amplitude to be found at 10 cm $= \frac{40}{4} c m = \frac{λ}{4}$
In open pipe from open pipe at a distance of $λ / 4$ always a node is formed. So, amplitude at 10 cm from open end will be zero because amplitude at node is zero.