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When you look down into a swimming pool or a lake, are you
Chapter 32, Problem 11Q(choose chapter or problem)
Problem 11Q
When you look down into a swimming pool or a lake, are you likely to overestimate or underestimate its depth? Explain. How does the apparent depth vary with the viewing angle? (Use ray diagrams.)
Questions & Answers
QUESTION:
Problem 11Q
When you look down into a swimming pool or a lake, are you likely to overestimate or underestimate its depth? Explain. How does the apparent depth vary with the viewing angle? (Use ray diagrams.)
ANSWER:
Solution 11Q:
When a ray of light travels from one medium to another medium, it gets deviated.
We have to explain the apparent depth varying with respect to viewing angle.
Step 1 of 3
Concept:
Refraction: The phenomenon of bending of light as it passes obliquely from one transparent medium to another denser medium is called refraction of light.
Laws of Refraction:
The incident ray, the normal at the point of incidence and the refracted ray all lie in the same plane.
The ratio of sine of angle of incidence to the sine of angle of refraction is always constant for the two media.