Chapter 10 – Oscillation and Waves
Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Chapter 10 - Oscillation and Waves
The intensity of gamma radiation from a given source is l. On passing through 36 mm of lead, it is reduced to l/8. The thickness of lead which will reduce the intensity to l/2 will be:
07
Nov
The intensity of gamma radiation from a given source is l. On passing through 36 mm of lead, it is reduced to l/8. The thickness of lead which will reduce the intensity to l/2 will be: it is reduced to l/8. The thickness of lead which will reduce the intensity to l/2 will be: The [...]
A whistle producing sound waves of frequencies 9500 Hz and above is approaching a stationary person with speed v ms^−1. the velocity of sound in air is 300 ms^−1. If the person hear frequencies up to a maximum of 10000 Hz, the maximum values of v up to which he can hear the whistle is
07
Nov
A whistle producing sound waves of frequencies 9500 Hz and above is approaching a stationary person with speed v ms^−1. the velocity of sound in air is 300 ms^−1. If the person hear frequencies up to a maximum of 10000 Hz, the maximum values of v up to which he can hear the whistle is [...]
A sound absorber attenuates the sound level by 20 dB. The intensity decreases by a factor of
07
Nov
A sound absorber attenuates the sound level by 20 dB. The intensity decreases by a factor of A sound absorber attenuates the sound level by 20 dB. The intensity decreases by a factor of November 7, 2020 Category: Chapter 10 - Oscillation and Waves , JEE Mains Physics 2002-2019 Solved Video Solutions ,
A wave travelling along the x-axis is described by the equation y(x,t) = 0.005 cos(αx−βt). If the wavelength and time period of the wave are 0.08 m and 2.0 s respectively, then α and β in appropriate units are
07
Nov
A wave travelling along the x-axis is described by the equation y(x,t) = 0.005 cos(αx−βt). If the wavelength and time period of the wave are 0.08 m and 2.0 s respectively, then α and β in appropriate units are A wave travelling along the x-axis is described by the equation y(x t) = 0.005 cos(αx−βt). [...]
While measuring the speed of sound by performing a resonance column experiment, a student gets the first resonance condition at a column length of 18 cm during winter. Repeating the same experiment during summer, she measures the column length to be x cm for the second resonance. Then
07
Nov
While measuring the speed of sound by performing a resonance column experiment, a student gets the first resonance condition at a column length of 18 cm during winter. Repeating the same experiment during summer, she measures the column length to be x cm for the second resonance. Then a student gets the first resonance condition [...]
The speed of sound in oxygen (O2 ) at a certain temperature is 460 ms^−1 . The speed of sound in helium (He) at the same temperature will be (assumed both gases to be ideal):
07
Nov
The speed of sound in oxygen (O2 ) at a certain temperature is 460 ms^−1 . The speed of sound in helium (He) at the same temperature will be (assumed both gases to be ideal): The speed of sound in oxygen (O2 ) at a certain temperature is 460 ms^−1 . The speed of sound [...]
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
07
Nov
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 [...]
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
07
Nov
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
07
Nov
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
07
Nov
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 [...]