Waves questions
1337 published questions with worked solutions.
- A wave equation which gives the displacement along y-direction is given by y = 10^ -4 (60t + x), where x and y are in metre and t...
- A wave of amplitude A = 0.2 m, velocity v = 360 m ,s^ -1 and wavelength 60 m is travelling along positive X-axis, then the...
- A transverse wave is described by the equation Y = Y_0 2 (ft - x ). The maximum particle velocity is equal to four times the wave...
- The equation of a transverse wave on a stretched string is given by y = 0.05 2 ( t 0.002 - x 0.1 ), where x and y are expressed...
- The frequency of a tuning fork with an amplitude A = 1 cm is 250 Hz. The maximum velocity of any particle in air is equal to
- A progressive wave in a medium is represented by the equation y = 0.1 (10 t - 5 11 x ) where, y and x are in cm and t is in...
- A wave is represented by the equation y = A (10 x + 15 t + 3 ) where, x is in metre and t is in second. The expression represents
- If the wave equation y = 0.08 2 (200t - x), then the velocity of the wave ( m ,s^ -1 ) will be
- The distance between two points differing in phase by 60^ on a wave having wave velocity 360 m ,s^ -1 and frequency 500 Hz is
- The phase difference between two points separated by 0.8 m in a wave of frequency 120 Hz is 0.5 . The velocity of wave will be
- Equation of a progressive wave is given by y = 0.2 (0.04t + 0.02x - 6 ). The distance is expressed in cm and time in second. What...
- A transverse wave y = 0.05 (20 x - 50 t) in metre, is propagating along +ve X-axis on a string. A light insect starts crawling on...
- Two sources of sound A and B produces the wave of 350 Hz, in the same phase. The particle P is vibrating, under the influence of...
- Sound level of a sound of intensity I is 30 dB. The ratio I/I_0 is (where, I_0 is the threshold of hearing).
- A sound has an intensity of 2 10^ -8 W ,m^ -2 . Its intensity level (in decibels) is (Take, _ 10 2 = 0.3)
- The intensity level of a sound wave is 4 dB. If the intensity of the wave is doubled, then the intensity level of the sound as...
- The pitch of a sound wave is related to its
- A sound absorber attenuates the sound level by 20 dB. The intensity decreases by a factor of
- The loudness and pitch of a sound depends on
- The Doppler's effect is applicable for
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