Home Physics Ray Optics Assertion & Reason Assertion: The focal length of lens does not…
Physics Ray Optics Assertion & Reason MCQ (Single Correct)

Assertion: The focal length of lens does not change when red light is replaced by blue light.
Reason: The focal length of lens depends on the color of light used.

A
If both assertion and reason are true and the reason is the correct explanation of the assertion.
B
If both assertion and reason are true and the reason is not the correct explanation of the assertion.
C
If assertion is true but reason is false.
D
If assertion is false but reason is true

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Text Solution

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The correct answer is:
D
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