AIIMS2000Physics-Optics
AIIMS 2000 Physics Light and Color Assertion Reason Question
Type: Assertion Reason-conceptual-Medium-Class 12
Assertion: Danger signals are made of red colour.
Reason: Velocity of red light is maximum and thus more visibility in dark.
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false but R is true.
Correct Answer
Option C
Detailed Explanation
Red light is used for danger signals because it is scattered the least and can travel longer distances. The reason given is incorrect as the velocity of light is constant in a given medium.
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