Home
Class 11
PHYSICS
A tuning fork whose natural frequency is...

A tuning fork whose natural frequency is `440 H_(Z)` is placed just above the open end of a tube that contains water. The water is slowly drained from the tube while the tuning fork remains in place and is kapt vibrating. The sound is found to be echanced when the air column is `60 cm` long and when it is `100 cm` long . Find the speed of sound in air.

A

gravitation

B

Newto's III law

C

resonance

D

consonance

Text Solution

Verified by Experts

The correct Answer is:
C
(c) It is due to resonance.
Promotional Banner

Similar Questions

Explore conceptually related problems

The frequency of a tuning fork is 150 Hz and distance travelled by the sound, produced in air is 20 cm in one vibration. Calculate the speed of sound in air.

A tuning fork vibrating with a frequency of 500 Hz is kept close to the open end of a tube filled with water, as shown in figure. The water level in the tube is gradually lowered When the water level is 17 cm below the open to open end, maximum intensity of sound is heard. If the room temperature is 20^(@) C, the speed of sound in air at the temperature is

A tuning fork producing sound will stop producing sound when you touch it.

A tuning fork is vibrating in air. State whether the vibrations are natural or damped ?

A tuning fork of frequency 500 H_(Z) is sounded on a resonance tube . The first and second resonances are obtained at 17 cm and 52 cm . The velocity of sound is

A tuning fork vibrating with a frequency of 512 Hz is kept close to the open end of a tube filled with water , figure. The water level in the tube is gradually lowerd. When the water level is 17cm below the open end, maximum intensity of sound in heard. If the room temperature is 20^(@)C , calculate (a) speed of sound in air at room temperature. (b) speed of sound in air at 0^(@)C (c) if the water in the tube is replaced with mercury, will there be any difference in your observations?

A tuning fork of frequency 440 Hz resonates with a tube closed at one end of length 18 cm and diameter 5 cm in fundamental mode. The velocity of sound in air is

Two tuning forks A and B give 18 beats "in" 2 s . A resonates with one end closed air column of 15 cm long and B with both ends open column of 30.5 long. Calculate their frequencies.

A resonance air column shows resonance with a tuning fork of frequency 256 Hz at column lengths 33.4 cmand 101.8 cm. find (i) end-correction and (ii) the speed of sound in air.

A tuning fork of frequency n is held near the open end of tube, the tube is adjusted until resonance occurs. If the two shortest lengths to produce resonance are L_1 and L_2 , then the speed of the sound is