Topics: Human Eye Quiz
What is it called when light bends as it moves from one substance to another?
A. Absorption
B. Reflection
C. Refraction
D. Incidence
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The person who is suffering from _____________ requires bi-focal lens.
A. (a) Hypermetropia
B. (b) Myopia
C. both option(a) and (b)
D. none of these