AIIMS2001Physics-Optics
AIIMS 2001 Physics LASER Assertion Reason Question
Type: Assertion Reason-assertion-Medium-Class 12
Assertion (A): LASER is used to measure distant object as moon.
Reason (R) : They are highly coherent source of light.
A
If both A and R are true and R is the correct explanation of A.
B
If both A and R are true but R is not the correct explanation of A.
C
If A is true but R is false.
D
If A is false but R is true.
Correct Answer
Option A
Detailed Explanation
LASERs are used for precise distance measurements due to their coherence and monochromatic properties.
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