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. An LED is constructed from a p-n junction based on a certain semi-conducting
  2. A conveyor belt is moving at a constant speed of 2 m/s. A box is gently dropped on it
  3. Radioactivity of a sample at T₁ time is R₁ and at time T₂ is R₂. If half-life
  4. A solid body rotates about a stationary axis, so that its angular velocity
  5. A planar coil having 12 turns carries 15 A current. The coil is oriented with respect