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A particle loses 25% of its energy during collision with another identical particle at rest. the coefficient of restitution will be
29
Oct
A particle loses 25% of its energy during collision with another identical particle at rest. the coefficient of restitution will be A particle loses 25% of its energy during collision with another identical particle at rest. the coefficient of restitution will be October 29, 2020 Category: Chapter 8 - COM, Momentum and Collision , MTG [...]
The magnetic field in a travelling electromagnetic wave has a peak value of 20 n T. The peak value of electric field strength is
29
Oct
The magnetic field in a travelling electromagnetic wave has a peak value of 20 n T. The peak value of electric field strength is The magnetic field in a travelling electromagnetic wave has a peak value of 20 n T. The peak value of electric field strength is October 29, 2020 Category: Uncategorised (JEE Advanced [...]
A plane em wave of wave intensity of 10 W/m^2 strikes a small mirror of area 20 cm^2, held perpendicular to the approaching wave. The radiation force on the mirror will be
29
Oct
A plane em wave of wave intensity of 10 W/m^2 strikes a small mirror of area 20 cm^2, held perpendicular to the approaching wave. The radiation force on the mirror will be A plane em wave of wave intensity of 10 W/m^2 strikes a small mirror of area 20 cm^2 held perpendicular to the approaching [...]
The transmitting antenna of a radio-station is mounted vertically. At a point electric field is 10Km1 due north of the treansmitter the peak electric field is 10^−3 volt/m meter. The amplitude of the radiated magnetic magnetic field is:
29
Oct
The transmitting antenna of a radio-station is mounted vertically. At a point electric field is 10Km1 due north of the treansmitter the peak electric field is 10^−3 volt/m meter. The amplitude of the radiated magnetic magnetic field is: The wave of wavelength 5900 A emitted by any atom or molecule must have some finite total [...]
In a region of free space the electric field at some instant of time is E = ( 80 i +32 j – 64 K ) V/m and the magnetic field is B = ( 0.2 +8 j -29 k) muT. The pointing vector for these fields is
29
Oct
In a region of free space the electric field at some instant of time is E = ( 80 i +32 j – 64 K ) V/m and the magnetic field is B = ( 0.2 +8 j -29 k) muT. The pointing vector for these fields is In a region of free space the [...]
A circular ring of radius r is placed in a homogeneous magnetic field perendicular to the plane of the ring. The field B changes with time according to the equation B=kt where K is constant and r is the time. The electric field in the ring is:
29
Oct
A circular ring of radius r is placed in a homogeneous magnetic field perendicular to the plane of the ring. The field B changes with time according to the equation B=kt where K is constant and r is the time. The electric field in the ring is: The wave of wavelength 5900 A emitted by [...]
A radiowave has a maximum electric field intensity of 10^-4 V/m on arrivel at a receiving antenna. The maximum magnetic flux density of such density of such a wave is
29
Oct
A radiowave has a maximum electric field intensity of 10^-4 V/m on arrivel at a receiving antenna. The maximum magnetic flux density of such density of such a wave is A radiowave has a maximum electric field intensity of 10^-4 V/m on arrivel at a receiving antenna. The maximum magnetic flux density of such density [...]
A highly elastic ball moving at a speed of 3m/s approaches a wall moving towards it with a speed of 3m/s. After the collision, the speed of the ball will be
29
Oct
A highly elastic ball moving at a speed of 3m/s approaches a wall moving towards it with a speed of 3m/s. After the collision, the speed of the ball will be A highly elastic ball moving at a speed of 3m/s approaches a wall moving towards it with a speed of 3m/s. After the collision [...]
Five balls are placed one after the other along a straight line as shown in the figure. Initially, all the balls are at rest. Then the second ball has been projected with speed v0 towards the third ball. Mark the correct statements, (Assume all collisions to be head-on and elastic.)
29
Oct
Five balls are placed one after the other along a straight line as shown in the figure. Initially, all the balls are at rest. Then the second ball has been projected with speed v0 towards the third ball. Mark the correct statements, (Assume all collisions to be head-on and elastic.) (Assume all collisions to be [...]
Three balls A,B and C of masses 2kg, 4kg and 8kg, respectively, move along the same straight line and in the same direction, with velocities 4m/s, 1m/s, 3/4m/s. If A collides with B and subsequently B collides with C, find the velocity of ball A and ball B after collision, taking the coefficient of restitution as unity.
29
Oct
Three balls A,B and C of masses 2kg, 4kg and 8kg, respectively, move along the same straight line and in the same direction, with velocities 4m/s, 1m/s, 3/4m/s. If A collides with B and subsequently B collides with C, find the velocity of ball A and ball B after collision, taking the coefficient of restitution [...]
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1m/s ,
3/4m/s. If A collides with B and subsequently B collides with C ,
4kg and 8kg ,
B and C of masses 2kg ,
find the velocity of ball A and ball B after collision ,
move along the same straight line and in the same direction ,
respectively ,
taking the coefficient of restitution as unity. ,
Three balls A ,
with velocities 4m/s ,