Home Maths JEE Main Full Syllabus Mock Test 75 Question New Syllabus. TEST 5 PCM Assertion The net dipole moment of a given v…
Maths JEE Main Full Syllabus Mock Test 75 Question New Syllabus. TEST 5 PCM Single Correct MCQ
Published on: August 14, 2026

Assertion The net dipole moment of a given volume containing large number of polar molecules is zero.
Reason The dielectric constant of polar molecules is independent of temperature.

A
Both Assertion and Reason are correct and Reason is correct explanation of Assertion.
B
Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion.
C
Assertion is correct but Reason is incorrect.
D
Reason is correct but Assertion is incorrect.

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Text Solution

Verified by Experts
The correct answer is:
C

For polar molecules, the net dipole moment of a given volume containing large number of molecules is zero, because of the dipole moments of molecules are oriented in different direction due to thermal agitation. The dielectric constant of polar molecules depends on its temperature. Hence, option is correct.

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