WAVES Online Test

An organ pipe  closed at one end vibrating in its first overtone and another pipe  open at both ends vibrating in its third overtone are in resonance with a given tuning fork. The ratio of lengths of  and  is ____.
1 : 2
1 : 3
3 : 8
3 : 4
A resonance air column of length 20 cm resonates with a tuning fork of frequency 250 Hz. The speed of sound in air is ____.
300 m/s
200 m/s
150 m/s
75 m/s
A cylindrical tube, open at both ends, has a fundamental frequency  in air. The tube is dipped vertically into water such that half of its length is inside water. The fundamental frequency of the air column now is ____.
Two closed organ pipes, when sounded simultaneously gave 4 beats per sec. If longer pipe has a length of 1m. Then length of shorter pipe is, (v = 300 m/s) ____.
185.5 cm
94.9 cm
90 cm
80 cm
A source of sound placed at the open end of a resonance column sends an acoustic wave of pressure amplitude  inside the tube. If the atmospheric pressure is  then the ratio of maximum and minimum pressure at the closed end of the tube is ____.
Two closed pipe produce 10 beats per second when emitting their fundamental nodes. If their length are in ratio of 25: 26. Then their fundamental frequency in Hz, are ____.
270, 280
260, 270
260, 250
260, 280
A closed organ pipe and an open organ pipe are tuned to the same fundamental frequency. What is the ratio of lengths?
1 : 2
2 : 1
2 : 3
4 : 3
Find the fundamental frequency of a closed pipe, if the length of the air column is 42 m. (speed of sound in air = 332 m/s) ____.
2 Hz
4 Hz
7 Hz
9 Hz
If v is the speed of sound in air then the shortest length of the closed pipe which resonates to a frequency n ____.
If the velocity of sound in air is 336 m/s. The maximum length of a closed pipe that would produce a just audible sound is ____.
3.2 cm
4.2 m
4.2 cm
3.2 m




Thanks for sharing these kind of online blogs. I like your services very much https://www.payslipviews.co.uk/

452 days 10 hours 35 minutes ago

Seth Rollins

Liteblue is the official employee login portal of the United States Postal Service. https://litebluee.us/

1006 days 12 hours 33 minutes ago


Login with the web utilizare pe situl nostru web. https://liteblue.me/liteblue-login-online-usps-liteblue-login-gov/ Both your existing worker benefits along with info.

1693 days 8 hours 10 minutes ago


There is a favorite list assistance, you could modify it in your order. https://ifacetimeapp.com emulators offered among which Blustacks app player is the one best.

1737 days 12 hours 38 minutes ago


good information max. of 5 participants.Now outstanding attribute is https://ishareitdownload.com deviee with Shareit app Installted.The Shareit for PC eliminates great.

1776 days 13 hours 9 minutes ago

45 Members Recommend

Your Facebook Friends on WizIQ

More Tests By Author

10 Questions | 351 Attempts

8 Questions | 243 Attempts

10 Questions | 138 Attempts