JEE PHYSICS MCQ: RAY OPTICS

1 Medium

1 of 1

Analyzing +4 | -1

Assertion : Refractive index of cold air is greater then that of hot air.

Reason : The molecules of cold air have lower thermal velocity.

View answer and explanation

Correct option: B

If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion

Option B (If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion) is correct because both the assertion and reason are true, but the reason doesn't directly explain why the refractive index is higher.

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