Navigate

There are four light-weight-rod samples A,B,C,D seperately suspended by threads

There are four light-weight-rod samples A,B,C,D separately suspended by threads. A bar magnet is slowly brought near each sample and the following observations are noted
(i) A is feebly repelled
(ii) B is feebly attracted
(iii) C is strongly attracted
(iv) D remains unaffected
Which one of the following is true?

Options

(a) B is of a paramagnetic material
(b) C is of a diamagnetic material
(c) D is of a ferromagnetic material
(d) A is of a non-magnetic material

Correct Answer:

B is of a paramagnetic material

Explanation:

A → diamagnetic
B → paramagnetic
C → Ferromagnetic
D → Non magnetic

AIPMT2011
admin:

Related Questions

  1. If light emitted from sodium bulb is passed through sodium vapour,
  2. A plank with a box on it at one end is gradually raised about the other end.
  3. A dust packet is dropped from 5th storey of a multi-storeyed building
  4. A body cools in 7 minute from 60⁰C to 40⁰C. What time, in minute does it take to cool
  5. A proton of mass 1.6×10⁻²⁷ kg goes round in a circular orbit of radius 0.10 m under