You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Physics

Wave Equation

When a long h...

Question

When a long hollow cylindrical iron pipe is struck at one end, then at the other end of the pipe :

one sound is only heard

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

two sounds are heard at different intervals

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

three sounds are heard at different intervals

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

no sound is heard

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

Open in App

Solution

The correct option is B two sounds are heard at different intervals
There will be two sounds, one will through the air , and other will come through the material, Sound speed is faster in steel, therefore it will be heard earlier than the sound from air . Option "B" is correct.

Suggest Corrections

Similar questions

Q. A hollow iron pipe is being hammered is heard at the other end at an interval of 0.5s, what is the length of iron pipe, if speed of sound in air is 320 m s

^{- 1}

and that in iron is 4320 m s

^{- 1}

Q. An organ pipe open at both ends sounds in unison with a tuning fork at

20^{\circ} C

. When the fork and the pipe are sounded together at

30^{\circ} C

. 5 beats per second are heard. If the frequency of the fork is approximately

37 β

, find the value of

β

. Assume that frequency of fork is not affected by the temperature change. ___

Two sounds in a medium are having wavelengths $1.3 m$ and $3.9 m$ . A person listens to these sounds. What difference would the listener feel?

Three different vibrating objects produce three of sounds X, Y and Z. The sounds X and Y cannot be heard by a man having normal range of hearing but sound Z can be heard easily. The sound X can be heard by a bat whereas the sound Y can be heard by a rhinoceros. What type of sounds are X, Y and Z ?

Q. Two children are at the opposite end of an iron pipe. One strucks the end of the pipe with a stone. Calculate the ratio of the time taken by sound waves in air and in iron to reach the other child. Use speed of sound in (i) air

=

344 m s

^{- 1}

and (ii) iron

=

5130 m s

^{- 1}

Join BYJU'S Learning Program

When a long hollow cylindrical iron pipe is struck at one end, then at the other end of the pipe :

The correct option is B two sounds are heard at different intervalsThere will be two sounds, one will through the air , and other will come through the material, Sound speed is faster in steel, therefore it will be heard earlier than the sound from air . Option "B" is correct.

The correct option is B two sounds are heard at different intervals
There will be two sounds, one will through the air , and other will come through the material, Sound speed is faster in steel, therefore it will be heard earlier than the sound from air . Option "B" is correct.