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Question

Physics Question on specific heat capacity

Given below are two statements:

Statement-I : Susceptibilities of paramagnetic and ferromagnetic substances increase with decrease in temperature.

Statement-II : Diamagnetism is a result of orbital motions of electrons developing magnetic moments opposite to the applied magnetic field.

Choose the correct answer from the options given below:-

A

Both Statement-I and Statement-II are true

B

Both Statement-I and Statement-II are false

C

Statement-I is true but Statement-II is false

D

Statement-I is false but Statement-II is true

Answer

Both Statement-I and Statement-II are true

Explanation

Solution

The correct option is(A): Both Statement-I and Statement-II are true.

Statement-I is true as susceptibility of ferromagnetic and paramagnetic materials is inversely related to temperature.

Statement-II is true as because of orbital motion of electrons the diamagnetic material is able to oppose external magnetic field.