00. Magnet and Magnetic Dipole
Magnetism and Matter

154092 A bar magnet suspended freely in a uniform magnetic field is vibrating with a time period of 3s. If the field strength is increased to 4 times of the earlier field strength, the time period will be (in seconds)

1 12
2 6
3 1.5
4 0.75
Magnetism and Matter

153978 Given below are two statements:
Statement-I: Susceptibilities of paramagnetic and ferromagnetic substances increase with decrease in temperature.
Statement-II: Diamagnetism is a result of orbital motions of electrons developing magnetic moments opposite to the applied magnetic field.
Choose the correct answer from the options given below -

1 Both Statement-I and Statement-II are true.
2 Both Statement-I and Statement-II are false.
3 Statement-I is true but Statement-II is false.
4 Statement-I is false but Statement-II is true.
Magnetism and Matter

153991 The magnetic moment is NOT associated with

1 stationary charge
2 charge moving with constant velocity
3 accelerated charge
4 retarded charge
Magnetism and Matter

153996 A bar magnet having magnetic moment $M$ is bent as an arc, Its magnetic moment

1 decreases
2 increases
3 does not change
4 may increase or decrease
Magnetism and Matter

154092 A bar magnet suspended freely in a uniform magnetic field is vibrating with a time period of 3s. If the field strength is increased to 4 times of the earlier field strength, the time period will be (in seconds)

1 12
2 6
3 1.5
4 0.75
Magnetism and Matter

153978 Given below are two statements:
Statement-I: Susceptibilities of paramagnetic and ferromagnetic substances increase with decrease in temperature.
Statement-II: Diamagnetism is a result of orbital motions of electrons developing magnetic moments opposite to the applied magnetic field.
Choose the correct answer from the options given below -

1 Both Statement-I and Statement-II are true.
2 Both Statement-I and Statement-II are false.
3 Statement-I is true but Statement-II is false.
4 Statement-I is false but Statement-II is true.
Magnetism and Matter

153991 The magnetic moment is NOT associated with

1 stationary charge
2 charge moving with constant velocity
3 accelerated charge
4 retarded charge
Magnetism and Matter

153996 A bar magnet having magnetic moment $M$ is bent as an arc, Its magnetic moment

1 decreases
2 increases
3 does not change
4 may increase or decrease
Magnetism and Matter

154092 A bar magnet suspended freely in a uniform magnetic field is vibrating with a time period of 3s. If the field strength is increased to 4 times of the earlier field strength, the time period will be (in seconds)

1 12
2 6
3 1.5
4 0.75
Magnetism and Matter

153978 Given below are two statements:
Statement-I: Susceptibilities of paramagnetic and ferromagnetic substances increase with decrease in temperature.
Statement-II: Diamagnetism is a result of orbital motions of electrons developing magnetic moments opposite to the applied magnetic field.
Choose the correct answer from the options given below -

1 Both Statement-I and Statement-II are true.
2 Both Statement-I and Statement-II are false.
3 Statement-I is true but Statement-II is false.
4 Statement-I is false but Statement-II is true.
Magnetism and Matter

153991 The magnetic moment is NOT associated with

1 stationary charge
2 charge moving with constant velocity
3 accelerated charge
4 retarded charge
Magnetism and Matter

153996 A bar magnet having magnetic moment $M$ is bent as an arc, Its magnetic moment

1 decreases
2 increases
3 does not change
4 may increase or decrease
Magnetism and Matter

154092 A bar magnet suspended freely in a uniform magnetic field is vibrating with a time period of 3s. If the field strength is increased to 4 times of the earlier field strength, the time period will be (in seconds)

1 12
2 6
3 1.5
4 0.75
Magnetism and Matter

153978 Given below are two statements:
Statement-I: Susceptibilities of paramagnetic and ferromagnetic substances increase with decrease in temperature.
Statement-II: Diamagnetism is a result of orbital motions of electrons developing magnetic moments opposite to the applied magnetic field.
Choose the correct answer from the options given below -

1 Both Statement-I and Statement-II are true.
2 Both Statement-I and Statement-II are false.
3 Statement-I is true but Statement-II is false.
4 Statement-I is false but Statement-II is true.
Magnetism and Matter

153991 The magnetic moment is NOT associated with

1 stationary charge
2 charge moving with constant velocity
3 accelerated charge
4 retarded charge
Magnetism and Matter

153996 A bar magnet having magnetic moment $M$ is bent as an arc, Its magnetic moment

1 decreases
2 increases
3 does not change
4 may increase or decrease