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. In the Davisson and Germer experiment, the velocity of electrons emitted from the
  2. Two bodies of masses m₁ and m₂ are initially at rest at infinite distance apart
  3. A particle moves in a circle of radius 5 cm with constant speed and time period
  4. A boat of anchor is rocked by waves whose crests are 100 m apart and velocity
  5. The de-Broglie wavelength of neutron in thermal equilibrium at temperature T is