NEET2023Physics-Optics
NEET 2023 Physics Refraction MCQ Question
Type: MCQ-conceptual-Hard-Class 12
Light travels a distance x in time t₁ in air and 10x in time t₂ in another denser medium. What is the critical angle for this medium?
A
sin⁻¹(10t₂/t₁)
B
sin⁻¹(t₁/10t₂)
C
sin⁻¹(10t₁/t₂)
D
sin⁻¹(t₂/t₁)
Correct Answer
Option A
Detailed Explanation
The critical angle is given by sin⁻¹(n₂/n₁). Here, n₂/n₁ = 10t₂/t₁.
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