Waves questions
1337 published questions with worked solutions.
- If the tension and diameter of a sonometer wire of fundamental frequency n is doubled and density is halved then its fundamental...
- The equation of a wave is represented by : - y = 10^ -4 (100t - x 10 ) m , then the velocity of wave will be : -
- A wave travelling in positive X-direction with A = 0.2 m velocity = 360 m/s and = 60 m, then correct expression for the wave is :
- A whistle revolves in a circle with angular speed = 20 rad/sec using a string of length 50 cm. If the frequency of sound from the...
- An observer moves towards a stationary source of sound with a speed 1/5^ th of the speed of sound. The wavelength and frequency...
- A car is moving towards a high cliff. The car driver sounds a horn of frequency 'f'. The reflected sound heard by the driver has...
- Two sound waves with wavelength 5.0 m and 5.5 m respectively, each propagate in a gas with velocity 330 m/s. We expect the...
- The wave described by y = 0.25 (10 x - 2 t), where x and y are in meters and t in seconds, is a wave travelling along the
- Two points are located at a distance of 10 m and 15 m from the source of oscillation. The period of oscillation is 0.05 sec and...
- Two periodic waves of intensities I_1 and I_2 pass through a region at the same time in the same direction. The sum of the...
- Each of the two strings of length 51.6 cm and 49.1 cm are tensioned separately by 20 N force. Mass per unit length of both the...
- The driver of a car travelling with speed 30 m/sec towards a hill sounds a horn of frequency 600 Hz . If the velocity of sound in...
- A wave in a string has an amplitude of 2 cm . The wave travels in the +ve direction of x axis with a speed of 128 m/sec and it is...
- A transverse wave is represented by y = A ( t - kx). For what value of the wavelength is the wave velocity equal to the maximum...
- A tuning fork of frequency 512 Hz makes 4 beats per second with the vibrating string of a piano. The beat frequency decreases to...
- Two identical piano wires kept under the same tension T have a fundamental frequency of 600 Hz . The fractional increase in the...
- Sound waves travel at 350 m/s through a warm air and at 3500 m/s through brass. The wavelength of a 700 Hz acoustic wave as it...
- The equation of a simple harmonic wave is given by y = 3 2 (50t - x) where x and y are in metres and t is in seconds. The ratio...
- A train moving at a speed of 220 m s ^ -1 towards a stationary object, emits a sound of frequency 1000 Hz . Some of the sound...
- When a string is divided into three segments of length l_1, l_2 and l_3, the fundamental frequencies of these three segments are...
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