AIIMS2005Physics-Optics
AIIMS 2005 Physics Transparency and Opacity Assertion Reason Question
Type: Assertion Reason-conceptual-Medium-Class 12
Assertion : By roughening the surface of a glass sheet its transparency can be reduced.
Reason : Glass sheet with rough surface absorbs more light.
A
Both assertion and reason are true and reason is the correct explanation of assertion
B
Both assertion and reason are true but reason is not the correct explanation of assertion
C
Assertion is true but reason is false
D
Both assertion and reason are false
Correct Answer
Option C
Detailed Explanation
When glass surface is made rough then the light falling on it is scattered in different direction due to which its transparency decreases.
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