The speed of sound of a wave of frequency 200 Hz in air is 340 m/s. The speed of sound of wave of frequency 400 Hz in same air is
340 m/s
680 m/s
170 m/s
3 ×108m/s
When a wave travels through a medium
energy is transferred in a periodic manner
particles are transferred from one place to another
energy is transferred at a constant speed
none of the above statement is applicable
Sound waves travel with a speed of 346 m/s in air. What is the wavelength of sound whose frequency is 692 Hz?
0.5 m
5 m
0.05 m
50 m
Which of the following is carried by the waves from one place to another?
mass
velocity
wavelength
energy
Hz is the unit of
amplitude
frequency
time period
Which of the following statement best describes frequency?
the maximum disturbance caused by a wave
the number of complete vibrations per second
the distance between one crest of a wave and the next one
the distance travelled by a wave per second
If 15 waves are produced per second, what is the frequency?
20 Hz
30 Hz
15 Hz
1/15 Hz
A sound wave travels at a speed of 330 m/s. If its wavelength is 1.5 cm, calculate the frequency of the sound wave.
22 kHz
30 kHz
10 kHz
35 kHz
Audible frequency range is
20 Hz to 2 kHz
20 Hz to 200 Hz
20 Hz to 20 kHz
20 Hz to 200 kHz
The instrument used in the laboratory to produce sound of a fixed frequenncy is
simple pendulum
thermometer
meter scale
tuning fork