Which of the following quantities is transferred during wave propagation?
Speed
Particles
Mass
Energy
A source of wave produces 40 crests and 40 troughs in 0.4second.Find the frequency of the wave.
400Hz
200 Hz
150Hz
100Hz
A baby cries with a frequency 712 Hz, if the speed of sound in air is 356m/s, the wavelength of sound is:
.05m
5 m
0.005 m
0.5 m
A swing has a time period of 1.4 seconds. The no. of oscillations made by it within 1 minute 24 seconds will be:
60
20
80
40
A transverse wave has a speed of 5040m/s,its frequency is 315 Hz,then the distance between a crest and immediate trough is
80m
0.8m
8m
800m
Arrange in increasing order - Speed of sound in steel, in distilled water, in sea water and in oxygen.
Steel < distilled water = sea water < oxygen.
Oxygen < distilled water = sea water < steel.
Steel > distilled water > sea water > oxygen.
Oxygen < distilled water < sea water < steel
The motion of the particles of a medium when a sound wave is passing through it is:
random
translatory
rotatory
oscillatory
A bell vibrates 600 times within 3/2 seconds, its frequency and time period will be:
900 Hz, 0.0011 s
900 Hz; 1.1 s
400 Hz; 0.25s
400 Hz; 0.0025s
The Delhi-C station of All India radio transmits music at 219 m wavelength and 1370khz frequency.Calculate the velocity of radio waves.
3x103m/s
3x108m/s
3x106m/s
3x10-8m/s
The amplitude of a wave is
the distance the wave moves in one second
the distance equal to one wave length
the maximum distance moved by the particles of a medium on either side of the mean position.
the distance the wave moves in one time period of the wave
