Question Answers
Sahay Sir > Question Answers
A point charge q is placed inside a conducting spherical shell of inner radius 2R and outer radius 3R at a distance of R from the center of the shell. Find the electric potential at the center of the shell.
05
Nov
A point charge q is placed inside a conducting spherical shell of inner radius 2R and outer radius 3R at a distance of R from the center of the shell. Find the electric potential at the center of the shell. a dust particle with mass m = 5.0 x 10^-9 kg and charge q0 = [...]
Four identical charges are placed at the points ( 1, 0 , 0 ) , ( 0, 1 , 0 ) (-1, 0, 0 ) and ( 0, -1, 0 ) . Then ,
05
Nov
Four identical charges are placed at the points ( 1, 0 , 0 ) , ( 0, 1 , 0 ) (-1, 0, 0 ) and ( 0, -1, 0 ) . Then , 0 ) 0 ) . Then 0 ) (-1 0) and (0 1 Four identical charges are placed at the points [...]
Tags:
0 ) ,
0 ) . Then ,
0 ) (-1 ,
0) and (0 ,
1 ,
Four identical charges are placed at the points ( 1 ,
A string under a tension of 100 N , emitting its fundamental mode , gives 5beats/s with a tuning fork. When the tension is increased to 121 N, again 5 beats/s are heard. The frequency of the fork is-duplicate-1
05
Nov
A string under a tension of 100 N , emitting its fundamental mode , gives 5beats/s with a tuning fork. When the tension is increased to 121 N, again 5 beats/s are heard. The frequency of the fork is-duplicate-1 A string under a tension of 100 N again 5 beats/s are heard. The frequency of [...]
The equation of wave in a string fixed at both end is y = 2 sin pie t cos pie x. Find the phase difference between oscillations of two points located at x = 0.4 m and x = 0.6 m.
05
Nov
The equation of wave in a string fixed at both end is y = 2 sin pie t cos pie x. Find the phase difference between oscillations of two points located at x = 0.4 m and x = 0.6 m. The equation of wave in a string fixed at both end is y = [...]
In Quinck’s acoustic interferometer, it is found that the sound intensity has a minimum value of 100 units at one position of the sliding tube, and continuously climbs to a maximum
05
Nov
In Quinck’s acoustic interferometer, it is found that the sound intensity has a minimum value of 100 units at one position of the sliding tube, and continuously climbs to a maximum and continuously climbs to a maximum In Quinck's acoustic interferometer it is found that the sound intensity has a minimum value of 100 units [...]
Two charged particles having charges 1 and – 1 muC and of mass 50 g each are held at rest while their seperation is 2 m . Now the charges are released. Find the speed of the particles when their separation is 1 m.
05
Nov
Two charged particles having charges 1 and – 1 muC and of mass 50 g each are held at rest while their seperation is 2 m . Now the charges are released. Find the speed of the particles when their separation is 1 m. a dust particle with mass m = 5.0 x 10^-9 kg [...]
Figure shows a tube structure in which signal is sent from one end and is received at the other end. The frequency of the sound source can be varied electronically between 2000 and 5000 Hz.
05
Nov
Figure shows a tube structure in which signal is sent from one end and is received at the other end. The frequency of the sound source can be varied electronically between 2000 and 5000 Hz. Figure shows a tube structure in which signal is sent from one end and is received at the other end. [...]
Two coherent narrow slits emitting wavelength lemda in the same phase are placed parallel to each other at a small separation of 2 lemda, the sound is detected by moving a detector
05
Nov
Two coherent narrow slits emitting wavelength lemda in the same phase are placed parallel to each other at a small separation of 2 lemda, the sound is detected by moving a detector the sound is detected by moving a detector Two coherent narrow slits emitting wavelength lemda in the same phase are placed parallel to [...]
The pulse shown in figure has a speed of 5 cm/s. If the linear mass density of the right string is 0.5 that of the left string, find the ratio of height of the transmitted pulse to that
05
Nov
The pulse shown in figure has a speed of 5 cm/s. If the linear mass density of the right string is 0.5 that of the left string, find the ratio of height of the transmitted pulse to that find the ratio of height of the transmitted pulse to that The pulse shown in figure has [...]
The image of an object placed in front of a concave mirror of focal length 12 cm is formed at a point which is 10 cm more distant from the mirror than the object. The magnification of the image is:
05
Nov
The image of an object placed in front of a concave mirror of focal length 12 cm is formed at a point which is 10 cm more distant from the mirror than the object. The magnification of the image is: A concave mirror has focal length 15 cm. Where should an object be placed in [...]