Waves questions
1337 published questions with worked solutions.
- The equation of a wave is y=A (2 nt). When it is reflected at a free end, its amplitude becomes 90%. The equation of the...
- If two waves x_1=A ( t-0.1x) and x_2=A ( t-0.1x- /2) are combined with each other, then resultant amplitude of the combined wave...
- The superposition takes place between two waves of frequency f and amplitude a. The total intensity is directly proportional to
- Consider ten identical sources of sound, all giving the same frequency but having phase angles which are random. If the average...
- The number of beats produced per second by two tuning forks when sounded together is 4. If one of them has a frequency of 250 Hz,...
- Two vibrating tuning forks produce progressive waves given by y_1= 500 t, y_2=2 506 t and are held near the ear of a person....
- Two tuning forks produce 4 beats per second when sounded together. The frequency of one of them is 200 Hz. When the other tuning...
- Two tuning forks of frequencies 256 Hz and 258 Hz are sounded together. The time interval between two consecutive maxima heard by...
- Two tuning forks have frequencies 382 Hz and 384 Hz respectively. When they are sounded together, they produce maximum sound. How...
- A set of 56 tuning forks is arranged in series of increasing frequencies. If each fork gives 4 beats with preceding one and the...
- A set of 28 tuning forks is arranged in a series of decreasing frequencies. Each fork gives 4 beats per second with the preceding...
- Wavelengths of two sound waves in air are 110 177 m and 110 175 m respectively. When they are sounded together, they produce 6...
- The velocity of sound in a gas, in which two waves of length 1.00 m and 1.01 m produce 10 beats in 3 seconds, is
- Each of a given set of 32 tuning forks arranged in a series of increasing frequency, gives 6 beats per second with the preceding...
- Two waves of wavelength 2 m and 2.02 m, with the same speed, superimpose to produce 2 beats per second. The speed of each wave is
- When both source and listener approach each other with a velocity equal to half the velocity of sound, the change in frequency of...
- A passenger is sitting in a fast moving train. The engine of the train blows a whistle of frequency 'n'. If the apparent...
- An object producing a pitch of 600 Hz approaches a stationary person in a straight line with a velocity of 200 m/s. Velocity of...
- A source of sound and a listener both are moving in the same direction, the source following the listener. If the respective...
- Two sounding bodies producing progressive waves given by y_1=4 (400 t) and y_2=3 (404 t), are situated very near to the ears of a...
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