STANDARDPhysics-Optics
STANDARD Physics Refraction MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The optical density of turpentine is higher than that of water while its mass density is lower. Figure shows a layer of turpentine floating over water in a container. For which one of the four rays incident on turpentine in figure, the path shown is correct?
A
(1)
B
(2)
C
(3)
D
(4)
Correct Answer
Option 2
Detailed Explanation
In the figure, the path shown for the ray 2 is correct. The ray suffers two refractions: At A, ray goes from air to turpentine, bending towards normal. At B, ray goes from turpentine to water (i.e., from denser to rarer medium), bending away from normal.
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