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

admin:

Related Questions

  1. An object is projected with a velocity of 20 m/s making an angle of 45⁰ with horizontal.
  2. A gas of monoatomic hydrogen is bombarded with a stream of electrons
  3. Two charged particles have charges and masses in the ratio 2:3 and 1:4 respectively.
  4. The surface tension of a liquid is 5 newton per metre. If a film
  5. Which two of the following five physical parameters have the same dimensions?