Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A piano wire with mass 3.00 g and length 80.0 cm is stretched with a tension of 25.0 N. A wave with frequency 120.0 Hz and amplitude 1.6 mm travels along the wire.
01
Nov
A piano wire with mass 3.00 g and length 80.0 cm is stretched with a tension of 25.0 N. A wave with frequency 120.0 Hz and amplitude 1.6 mm travels along the wire. A piano wire with mass 3.00 g and length 80.0 cm is stretched with a tension of 25.0 N. A wave with [...]
The equation of a wave travelling on a string is Y = 4 sin pie/2 (8t – x/8) if x and y are in centimetres, then velocity of wave is (1) 64 cm/s in -ve direction (2) 32 cm/s in -ve direction
01
Nov
The equation of a wave travelling on a string is Y = 4 sin pie/2 (8t – x/8) if x and y are in centimetres, then velocity of wave is (1) 64 cm/s in -ve direction (2) 32 cm/s in -ve direction The equation of a wave travelling on a string is Y = 4 [...]
Two travelling transverse waves each of frequency f amplitude A and phase difference phi superimpose to form another travelling wave. The resulting wave travels in a string of tension
01
Nov
Two travelling transverse waves each of frequency f amplitude A and phase difference phi superimpose to form another travelling wave. The resulting wave travels in a string of tension Two travelling transverse waves each of frequency f amplitude A and phase difference phi superimpose to form another travelling wave. The resulting wave travels in a [...]
A steel wire has a mass of 50 g/m and is under tension 450 N. (a) Find the maximum average power that can be carried by the transverse wave in the wire if the amplitude is not to
01
Nov
A steel wire has a mass of 50 g/m and is under tension 450 N. (a) Find the maximum average power that can be carried by the transverse wave in the wire if the amplitude is not to A steel wire has a mass of 50 g/m and is under tension 450 N. (a) Find [...]
For plane waves in the air of frequency 1000 Hz and the displacement amplitude 2 * 10^-8 m, deduce (a) the velocity amplitude, and (b) the intensity.
01
Nov
For plane waves in the air of frequency 1000 Hz and the displacement amplitude 2 * 10^-8 m, deduce (a) the velocity amplitude, and (b) the intensity. and (b) the intensity. deduce (a) the velocity amplitude For plane waves in the air of frequency 1000 Hz and the displacement amplitude 2 * 10^-8 m November [...]
The figure below depict two situations in which two infinitely long static line charges of constant positive line charge density λ are kept parallel to each other. In their resulting electric field, point charges q and −q are kept in equilibrium between them. The point charges are confined to move in the x direction only. If they are given a small displacement about their equilibrium positions, then the correct statement(s) is(are)
01
Nov
The figure below depict two situations in which two infinitely long static line charges of constant positive line charge density λ are kept parallel to each other. In their resulting electric field, point charges q and −q are kept in equilibrium between them. The point charges are confined to move in the x direction only. [...]
Tags:
point charges q and −q are kept in equilibrium between them. The point charges are confined to move in the x direction only. If they are given a small displacement about their equilibrium positions ,
The figure below depict two situations in which two infinitely long static line charges of constant positive line charge density λ are kept parallel to each other. In their resulting electric field ,
then the correct statement(s) is(are) ,
Charges Q, 2Q and 4Q are uniformly distributed in three dielectric solid spheres 1, 2 and 3 of radii R/2, R and 2R respectively, as shown in figure. If magnitude of the electric fields at point P at a distance R from the centre of sphere 1,2 and 3 are E1, E2 and E3 respectively, then
01
Nov
Charges Q, 2Q and 4Q are uniformly distributed in three dielectric solid spheres 1, 2 and 3 of radii R/2, R and 2R respectively, as shown in figure. If magnitude of the electric fields at point P at a distance R from the centre of sphere 1,2 and 3 are E1, E2 and E3 respectively, [...]
Tags:
2 and 3 are E1 ,
2 and 3 of radii R/2 ,
2Q and 4Q are uniformly distributed in three dielectric solid spheres 1 ,
as shown in figure. If magnitude of the electric fields at point P at a distance R from the centre of sphere 1 ,
Charges q ,
E2 and E3 respectively ,
R and 2R respectively ,
then ,
Which of teh following statements is /are correct ? ( 1 ) If the electric field due to a point charge varies as r^2 instead of r^2 , then Gauss’s law will still be valid.
01
Nov
Which of teh following statements is /are correct ? ( 1 ) If the electric field due to a point charge varies as r^2 instead of r^2 , then Gauss’s law will still be valid. then Gauss's law will still be valid. Which of teh following statements is /are correct ? ( 1 ) If [...]
A wave travels out in all directions from a point source. Justify the expression y = (a0/r) sin k (r – vt), at a distance r from the source. Find the intensity of the wave.
01
Nov
A wave travels out in all directions from a point source. Justify the expression y = (a0/r) sin k (r – vt), at a distance r from the source. Find the intensity of the wave. A wave travels out in all directions from a point source. Justify the expression y = (a0/r) sin k (r [...]
Consider an electric field e=e0x where e0 is a constant. The flux through the shaded area ( as shown in the figure ) due to this field is
01
Nov
Consider an electric field e=e0x where e0 is a constant. The flux through the shaded area ( as shown in the figure ) due to this field is Consider an electric field e=e0x where e0 is a constant. The flux through the shaded area ( as shown in the figure ) due to this field [...]