Waves questions
1337 published questions with worked solutions.
- Two tuning forks A and B give 4 beat per second, when sounded together. If the fork B is loaded with wax, 8 beat per second are...
- A set of tuning forks are arranged in ascending order of frequency. Each tuning fork gives 5 beat per second with the preceding...
- A tuning fork makes 256 vibrations per second in air, when velocity of sound is 330 m/s. Then wavelength of the-tone emitted is :
- The phase difference between two points separated by 0.8 m in a wave of frequency 120 Hz is 90^ . The wave velocity is:
- A source and an observer moves away from each other, with a velocity of 10 m/s with respect to ground. If observer finds the...
- The equation of a sound wave is y = 0.0015 (62.8x + 316t). Find the wavelength of this wave:
- The speed of a wave in a medium is 760 m/s. 3600 waves are passing through a point in the medium in 2 minute, then its wavelength...
- A source of sound is travelling with a velocity 40 km/hr towards stationary observer and emits sound of frequency 2000 Hz. If...
- A wave travels a distance of 40 metre during 20 vibrations of tuning fork, its wavelength is :
- A vehicle, with a horn of frequency n is moving with a velocity of 30 m/s in a direction perpendicular to the straight line...
- A boat at anchor is rocked by waves whose crests are 100 m apart and whose velocity is 25 m/s. These waves strike the boat once...
- A sound wave in air can be represented as y = 5 10^ -2 (100t - 50x) m where t is expressed in second and x and y in metre and y...
- If two tuning forks A and B are sounded together they produce 4 beats per second. A is then slightly loaded with wax they produce...
- If pressure amplitude of sound wave is tripled then intensity of sound increases by factor of:
- The speed of the wave in medium is 760 m/s. If 3600 waves are passing through point in the medium in 2 minutes, then its...
- Two sound waves of frequency 450 Hz and 454 Hz produces beats. The intensity at a point at t = 0 is maximum. After how much time...
- An RADAR sends the pulse of waves of frequency 10 MHz towards aeroplane. An echo are captured after time 0.1 msec. What will be...
- The couple of tuning fork produces 2 beats in the time interval of 0.4 sec so the beats frequency is :
- The velocity of sound in air is 330 m/s and its velocity in rubber is 1650 m/s . If the wavelength of sound of certain frequency...
- An object produced a pitch of 1200 Hz is moving with a velocity of 50 m/s towards a stationary person. The velocity of sound is...
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