wiz-icon
MyQuestionIcon
MyQuestionIcon
2
You visited us 2 times! Enjoying our articles? Unlock Full Access!
Question

A cylindrical metal tube has a length of 50 cm and is open at both ends. Find the frequencies between 1 kHz to 2 kHz at which the air column in the tube resonates. The temperature on that day is 20c

A
1020, 11360, 1700 Hz
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
1026, 1368, 1710 Hz
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
1328, 1660, 1922 Hz
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
none of these
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B 1026, 1368, 1710 Hz
v(T)=3301+20273
=330293273=342ms1
f=vλ=3421=342Hz.

Checking from options for frequencies with a difference of 342 , gives option B

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Wave Reflection and Transmission
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon