SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

A hope and a solid cylinder of same mass and radius are made of a permanent magnetic material with their magnetic moment parallel to their respective axes. But the magnetic moment of hoop is twice of solid cylinder. They are placed in a uniform magnetic field in such a manner that their magnetic moments make a small angle with the field. If the oscillation periods if hoop and cylinder are Th and Tc respectively, then:

(a)

Th=0.5 Tc

(b)

Th=2 Tc

(c)

Th=1.5 Tc

(d)

Th=Tc


Question ID - 50258 :-

A hope and a solid cylinder of same mass and radius are made of a permanent magnetic material with their magnetic moment parallel to their respective axes. But the magnetic moment of hoop is twice of solid cylinder. They are placed in a uniform magnetic field in such a manner that their magnetic moments make a small angle with the field. If the oscillation periods if hoop and cylinder are Th and Tc respectively, then:

(a)

Th=0.5 Tc

(b)

Th=2 Tc

(c)

Th=1.5 Tc

(d)

Th=Tc

1 Answer
5876 Votes
3537

Answer Key : (d) -

T=

Th=

Tc=



Next Question :

The electric field of a plane polarized electromagnetic wave in free space at time t=0 is given by an expression (x, y) = 10 cos [(6x+8z)] The magnetic field  (x, z, t) is given by :(c is the velocity of light)

(a)

= (6+8)cos [(6x−8z+10ct)]

(b)

(6−8)cos[(6x+8z−10ct)]

(c)

(6+8)cos[(6x+8z−10ct)]

(d)

(6−8)cos[(6x+8z+10ct)]


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