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An engine running at speed v/10 sounds a whistle of frequency 600 Hz. A passenger in a train coming from the opposite side at speed v/15 experiences this whistle to be of frequency An engine running at speed v/10 sounds a whistle of frequency 600 Hz. A passenger in a train coming from the opposite [...]

The equation of a wave on a string of linear mass density 0.04 kg m^−1 is given by y = 0.02(m) sin [2π( 0.04(s)/t − 0,50(m)/x ​ )]. The tension in the string is 50(m)/x ​ )]. The tension in the string is The equation of a wave on a string of linear mass density [...]

An observer moves towards a stationary source of sound with a velocity one-fifth of the velocity of sound. What is the percentage increase in the apparent frequency ? An observer moves towards a stationary source of sound with a velocity one-fifth of the velocity of sound. What is the percentage increase in the apparent frequency [...]

The transverse displacement y(x,t) of a wave on a string is given by y(x,t) = e (ax^2 + bt^2 + 2 root ab ​xt) .This represents a t) = e (ax^2 + bt^2 + 2 root ab ​xt) .This represents a t) of a wave on a string is given by y(x The transverse displacement [...]

A travelling wave represented by y=A sin(ωt−kx) is superimposed on another wave represented by y=A sin(ωt+kx). The resultant is A travelling wave represented by y=A sin(ωt−kx) is superimposed on another wave represented by y=A sin(ωt+kx). The resultant is November 7, 2020 Category: Chapter 10 - Oscillation and Waves , JEE Mains Physics 2002-2019 Solved Video [...]

A cylindrical tube, open at both ends has a fundamental frequency f in air. If the tube is dipped vertically in water so that half of it is dipped, then the fundamental frequency of air column is now A cylindrical tube open at both ends has a fundamental frequency f in air. If the tube [...]

In the arrangement shown in figure , plate B is given a charge equal to 60 muC . The ratio d1/d2 is 2. Then In the arrangement shown in figure plate B is given a charge equal to 60 muC . The ratio d1/d2 is 2. Then November 7, 2020 Category: Uncategorised (JEE Advanced Physics [...]

A train is moving with a constant speed along a circular track. The engine of the train emits a sound of frequency f. The frequency heard by the guard at the rear end of the train A train is moving with a constant speed along a circular track. The engine of the train emits a [...]

An isotropic stationary source is emitting waves of frequency n and wind is blowing due north. An observer A is on north of the source while observer B is on south the source. An isotropic stationary source is emitting waves of frequency n and wind is blowing due north. An observer A is on north [...]

A vehicle, with a horn of frequency n, is moving with a velocity of 30 m/s in a direction perpendicular to the straight line joining the observer and the vehicle. The observer perceives A vehicle is moving with a velocity of 30 m/s in a direction perpendicular to the straight line joining the observer and [...]