Waves questions
1337 published questions with worked solutions.
- Two sources of sound placed close to each other, are emitting progressive waves given by y_1 = 4 600 t and y_2 = 5 608 t. An...
- 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/s and it is...
- Progressive wave of sound is represented by y = A [400 t - x/6.85] where x is in m and t in s. Frequency of the wave will be
- When longitudinal waves are reflected from the surface of a rarer medium, [MH-CET 2009]
- When sound is reflected from a denser medium, [MH-CET 2007]
- 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...
- Three sound waves of equal amplitude have frequencies (v - 1), v, (v + 1). They superpose to give beats. The number of beats...
- Two waves y_1 = 0.25 316t and y_2 = 0.25 310t are travelling in same direction. The number of beats produced per second will be
- A tuning fork of known frequency 256 Hz makes 5 beats per second with the vibrating string of a piano. The beat frequency...
- Two strings X and Y of a sitar produce a beat frequency 4 Hz. When the tension of the string Y is slightly increased the beat...
- When a guitar string is sounded with a 440 Hz tuning fork, a beat frequency of 5 Hz is heard. If the experiment is repeated with...
- When two sound waves are superimposed, beats are produced when they have [MP PET 1995, CBSE PMT 1992, DCE 1999, D PMT 2000, D PMT...
- Two waves of lengths 50 cm and 51 cm produced 12 beats per second. The velocity of sound is
- Two vibrating tuning forks produce progressive waves given by Y_1 = 4 500 t and Y_2 = 2 506 t. Number of beats produced per...
- Two sound waves with wavelengths 5.0 m and 5.5 m respectively, each propagate in a gas with velocity 330 m/s. We expect the...
- Beats are produced due to [RPET 1989, MP PMT 2000]
- A tuning fork arrangement (pair) produces 4 beats/s with one fork of frequency 288 c.p.s. A little wax is placed on the unknown...
- A police car with a siren of frequency 8 kHz is moving with uniform velocity 36 km/hr towards a tall building which reflects the...
- Two sources A and B are sending notes of frequency 680 Hz. A listener moves from A towards B with a constant velocity u. If the...
- Two waves of wavelengths 52.5 cm and 52 cm produces 5 beats per second. Their frequencies are [MH-CET 2004]
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