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Subjects
Science CBSE
Class 10
Light reflection and refraction
Textbook questions
31.
NCERT Exemplar IV
Exercise condition:
3
m.
Section A: Choose the correct answer for the given question from the options.
A light ray enters from medium A to medium B as shown in figure. The refractive index of medium B relative to A will be
equal to unity
less than unity
zero
greater than unity
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