Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
The speed of a wave in a certain medium is 960 m/s. If 3600 waves pass over a certain point of the medium in 1 min, the wavelength is
01
Nov
The speed of a wave in a certain medium is 960 m/s. If 3600 waves pass over a certain point of the medium in 1 min, the wavelength is The speed of a wave in a certain medium is 960 m/s. If 3600 waves pass over a certain point of the medium in 1 min [...]
A wave pulse is generated in a string that lies along x-axis. At the points A and B, as shown in figure, If RA and RB are ratios of magnitudes of wave speed to the particle speed, then
01
Nov
A wave pulse is generated in a string that lies along x-axis. At the points A and B, as shown in figure, If RA and RB are ratios of magnitudes of wave speed to the particle speed, then A wave pulse is generated in a string that lies along x-axis. At the points A and [...]
Let E1(r), E2 (r) and E3(r) be the respective electric fields at a distance r from a point charge Q, an infinitely long wire with constant linear charge density λ, and an infinite plane with uniform surface charge density σ. If E 1 (r 0 ) = E 2(r 0 ) = E 3 (r 0 ) at a given distance r 0, then :
01
Nov
Let E1(r), E2 (r) and E3(r) be the respective electric fields at a distance r from a point charge Q, an infinitely long wire with constant linear charge density λ, and an infinite plane with uniform surface charge density σ. If E 1 (r 0 ) = E 2(r 0 ) = E 3 [...]
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an infinitely long wire with constant linear charge density λ ,
and an infinite plane with uniform surface charge density σ. If E 1 (r 0 ) = E 2(r 0 ) = E 3 (r 0 ) at a given distance r 0 ,
E2 (r) and E3(r) be the respective electric fields at a distance r from a point charge Q ,
Let E1(r) ,
then ,
Two non-conducting spheres of radii R1 and R2 and carrying uniform volume charge densities +ρ and −ρ, respectively, are placed such that they partially overlap, as shown in the figure. At all points in the overlapping region
01
Nov
Two non-conducting spheres of radii R1 and R2 and carrying uniform volume charge densities +ρ and −ρ, respectively, are placed such that they partially overlap, as shown in the figure. At all points in the overlapping region are placed such that they partially overlap as shown in the figure. At all points in the overlapping [...]
The displacement vs time graph for two waves A and B which travel along the same string are shown in the figure. Their intensity ratio IA / IB is
01
Nov
The displacement vs time graph for two waves A and B which travel along the same string are shown in the figure. Their intensity ratio IA / IB is The displacement vs time graph for two waves A and B which travel along the same string are shown in the figure. Their intensity ratio IA [...]
Two non-conducting solid spheres of radii R and 2 R, having uniform volume charge densities ρ1 and ρ2 respectively, touch each other. The net electric field at a distance 2R from the centre of the smaller sphere, along the line joining the centres of the spheres, is zero. The ratio ρ1/ρ2 can be
01
Nov
Two non-conducting solid spheres of radii R and 2 R, having uniform volume charge densities ρ1 and ρ2 respectively, touch each other. The net electric field at a distance 2R from the centre of the smaller sphere, along the line joining the centres of the spheres, is zero. The ratio ρ1/ρ2 can be along the [...]
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along the line joining the centres of the spheres ,
having uniform volume charge densities ρ1 and ρ2 respectively ,
is zero. The ratio ρ1/ρ2 can be ,
touch each other. The net electric field at a distance 2R from the centre of the smaller sphere ,
Two non-conducting solid spheres of radii R and 2 R ,
A sinusoidal wave is generated by moving the end of a string up and down, periodically. The generator must apply the energy at maximum rate when the end of the string attached
01
Nov
A sinusoidal wave is generated by moving the end of a string up and down, periodically. The generator must apply the energy at maximum rate when the end of the string attached A sinusoidal wave is generated by moving the end of a string up and down periodically. The generator must apply the energy at [...]
A cubical region of side a has its centre at the origin. It encloses three fixed point charges, −q at (0,−a/4,0), +3 q at (0,0,0) and −q at (0,+a/4,0). Choose the correct options(s)
01
Nov
A cubical region of side a has its centre at the origin. It encloses three fixed point charges, −q at (0,−a/4,0), +3 q at (0,0,0) and −q at (0,+a/4,0). Choose the correct options(s) +3 q at (0 −a/4 −q at (0 0 ) 0) and −q at (0 0). Choose the correct options(s) A = [...]
Consider a uniform spherical charge distribution of radius R1 centred at the origin O. In this distribution a spherical cavity of radius R2, centred at P with distance OP = a = R1 − R2 (fig) is made.If the electric field inside the cavity at position r, then the correct statement is
01
Nov
Consider a uniform spherical charge distribution of radius R1 centred at the origin O. In this distribution a spherical cavity of radius R2, centred at P with distance OP = a = R1 − R2 (fig) is made.If the electric field inside the cavity at position r, then the correct statement is centred at P [...]
The amplitude of a wave disturbance propagating in the positive y direction is given by y = 1 / 1+x^2 at t = 0 and y = 1 / (1 + (x – 1)^2) at t = 2 s The wave speed is
01
Nov
The amplitude of a wave disturbance propagating in the positive y direction is given by y = 1 / 1+x^2 at t = 0 and y = 1 / (1 + (x – 1)^2) at t = 2 s The wave speed is The amplitude of a wave disturbance propagating in the positive y direction [...]