Chapter 16 – Waves
Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 16 - Waves
Two waves of wavelength 50 cm and 51 cm produce 12 beat/s. The speed of sound is
25
Aug
Two waves of wavelength 50 cm and 51 cm produce 12 beat/s. The speed of sound is Two waves of wavelength 50 cm and 51 cm produce 12 beat/s. The speed of sound is August 25, 2020 Category: Chapter 16 - Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video [...]
Two sources are at a finite distance apart. They emit sound of wavelength λ . An observer situated between them on line joining the sources, approaches towards one source with speed u, then number of beats heard per second by observer will be
25
Aug
Two sources are at a finite distance apart. They emit sound of wavelength λ . An observer situated between them on line joining the sources, approaches towards one source with speed u, then number of beats heard per second by observer will be approaches towards one source with speed u then number of beats heard [...]
Two waves are approaching each other with a velocity of 20 m/s and frequency n. The dist nodes is
25
Aug
Two waves are approaching each other with a velocity of 20 m/s and frequency n. The dist nodes is Two waves are approaching each other with a velocity of 20 m/s and frequency n. The dist nodes is August 25, 2020 Category: Chapter 16 - Waves , NEET Last 32 Years Solved 1988 - 2019 [...]
Two waves of same frequency and intensity superimpose on each other in opposite phases. After the superposition the intensity and frequency of waves will.
25
Aug
Two waves of same frequency and intensity superimpose on each other in opposite phases. After the superposition the intensity and frequency of waves will. Two waves of same frequency and intensity superimpose on each other in opposite phases. After the superposition the intensity and frequency of waves will. August 25, 2020 Category: Chapter 16 - [...]
Equations of two progressive waves at a certain point in a medium are given by y1=asin(ωt+ϕ1) and y2= a sin (ωt+ϕ2). If amplitude and time period of resultant wave are same as that of both the waves, then ϕ1−ϕ2 is?
25
Aug
Equations of two progressive waves at a certain point in a medium are given by y1=asin(ωt+ϕ1) and y2= a sin (ωt+ϕ2). If amplitude and time period of resultant wave are same as that of both the waves, then ϕ1−ϕ2 is? Equations of two progressive waves at a certain point in a medium are given by [...]
The equation of progressive wave is given by Y = 4 sin{π (5/t − 9/x) + 6/π} where x and y are in cm, which of the following statement is correct ?
25
Aug
The equation of progressive wave is given by Y = 4 sin{π (5/t − 9/x) + 6/π} where x and y are in cm, which of the following statement is correct ? The equation of progressive wave is given by Y=4 sin{π(5/t−9/x)+6/π} where x and y are in cm which of the following statement is [...]
A whistle revolves in a circle with angular speed ω=20 rad/sec using a string of length 50 cm. If the frequency of sound from the whistle is 385 Hz, then what is the minimum frequency heard by an observer which is far away from the centre : – ( V sound=340 m/s)
25
Aug
A whistle revolves in a circle with angular speed ω=20 rad/sec using a string of length 50 cm. If the frequency of sound from the whistle is 385 Hz, then what is the minimum frequency heard by an observer which is far away from the centre : – ( V sound=340 m/s) A whistle revolves [...]
An observer moves towards a stationary source of sound with a speed 1/5 th of the speed of sound. The wavelength and frequency of the source emitted are λ and f, respectively. The apparent frequency and wavelength recorded by the observer are, respectively.
25
Aug
An observer moves towards a stationary source of sound with a speed 1/5 th of the speed of sound. The wavelength and frequency of the source emitted are λ and f, respectively. The apparent frequency and wavelength recorded by the observer are, respectively. An observer moves towards a stationary source of sound with a speed [...]
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 the frequency 2f. If v be the velocity of sound, then the velocity of the car, in the same velocity units will be :
25
Aug
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 the frequency 2f. If v be the velocity of sound, then the velocity of the car, in the same velocity units will be : A car is moving towards a [...]