MCQ
A diamagnetic material in a magnetic field moves:
  • A
    Perpendicular to the field.
  • B
    From stronger to the weaker parts of the field.
  • C
    From weaker to the stronger parts of the field.
  • D
    None of these.

Answer

  1. From stronger to the weaker parts of the field.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The length of the compound microscope is 14 cm. The magnifying power for relaxed eye is 25. If the focal length of eye lens is 5 cm, then the object distance for objective lens will be

(a) 1.8 cm 

(b)  1.5 cm 

(c) 2.1 cm 

(d)  2.4 cm 

Consider the two idealized systems: (i) a parallel plate capacitor with large plates and small separation and (ii) a long solenoid of length L > > R, radius of cross-section. In (i) E is ideally treated as a constant between plates and zero outside. In (ii) magnetic field is constant inside the solenoid and zero outside. These idealised assumptions, however, contradict fundamental laws as below:

Two short magnets having magnetic moments in the ratio 27 : 8, when placed on opposite sides of a deflection magnetometer, produce no deflection. If the distance of the weaker magnet is 0.12 m from the centre of deflection magnetometer, the distance of the stronger magnet from the centre is

(a) 0.06 m

(b) 0.08 m

(c) 0.12 m

(d) 0.18 m

Which of the following statement(s) is/(are) correct

(a) The rest mass of a stable nucleus is less than the sum of the rest masses of its separated nucleons

(b) In nuclear fission, energy is released by fragmentation of a very heavy nucleus

(c) The rest mass of a stable nucleus is greater than the sum of the rest masses of its separated nucleons.

(d) a, b

Let Fpp, Fpn and Fnn denote the magnitudes of the net force by a proton on a proton, by a proton on a neutron and by a neutron on a neutron respectively. Neglect gravitational force. When the separation is 1fm:
  1. Fpp > Fpn = Fnn
  2. Fpp = Fpn = Fnn
  3. Fpp > Fpn > Fnn
  4. Fpp < Fpn = Fnn

The graph between wave number ()  and angular frequency (w) is

(a)

(b)

(c)

(d)

Which of the following is not a mode of radioactive decay?

The attenuation in optical fibre is mainly due to

(a) Absorption

(b) Scattering

(c) Neither absorption nor scattering

(d) Both (a) and (b)

The wavefront of a distant source of unknown shape is approximately:

The wavelength of most energetic X-rays emitted when a metal target is bombarded by 40KeV  electrons, is approximately  (h = 6.63 )

(a) 300 Å

(b) 10 Å

(c) 4 Å

(d) 0.31 Å