Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
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
07
Nov
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.
07
Nov
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
07
Nov
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 [...]
A tuning fork of frequency 380 Hz is moving towards a wall with a velocity of 4 m/s. Then the number of beats heard by a stationary listener between direct and reflected sounds
07
Nov
A tuning fork of frequency 380 Hz is moving towards a wall with a velocity of 4 m/s. Then the number of beats heard by a stationary listener between direct and reflected sounds A tuning fork of frequency 380 Hz is moving towards a wall with a velocity of 4 m/s. Then the number of [...]
In figure , plate A has 100 muC charge , while plate B has 60 muC charge. ( a) when both switches are open, then
07
Nov
In figure , plate A has 100 muC charge , while plate B has 60 muC charge. ( a) when both switches are open, then In figure plate A has 100 muC charge then while plate B has 60 muC charge. ( a) when both switches are open November 7, 2020 Category: Uncategorised (JEE Advanced [...]
Given figure represents the displacement y versus distance x along the direction of propagation of a longitudinal wave. The pressure is maximum at position marked
07
Nov
Given figure represents the displacement y versus distance x along the direction of propagation of a longitudinal wave. The pressure is maximum at position marked Given figure represents the displacement y versus distance x along the direction of propagation of a longitudinal wave. The pressure is maximum at position marked November 7, 2020 Category: Uncategorised [...]
If the source is moving towards right, wavefront of sound waves get modified to
07
Nov
If the source is moving towards right, wavefront of sound waves get modified to If the source is moving towards right wavefront of sound waves get modified to November 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
When a person wears a hearing aid, the sound intensity level increases by 30 dB. The sound intensity increases by
07
Nov
When a person wears a hearing aid, the sound intensity level increases by 30 dB. The sound intensity increases by the sound intensity level increases by 30 dB. The sound intensity increases by When a person wears a hearing aid November 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The intensity level of two sounds are 100 dB and 50 dB. What is the ratio of their intensities ?
07
Nov
The intensity level of two sounds are 100 dB and 50 dB. What is the ratio of their intensities ? The intensity level of two sounds are 100 dB and 50 dB. What is the ratio of their intensities ? November 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In expressing sound intensity, we take 10^-12 W/m^2 as the reference level. For ordinary conversation, the intensity level is about 10^-6 W/m^2. Expressed in decibel, this is
07
Nov
In expressing sound intensity, we take 10^-12 W/m^2 as the reference level. For ordinary conversation, the intensity level is about 10^-6 W/m^2. Expressed in decibel, this is In expressing sound intensity the intensity level is about 10^-6 W/m^2. Expressed in decibel this is we take 10^-12 W/m^2 as the reference level. For ordinary conversation November [...]