A monochromatic beam of light is refracted into water and then into gl – InterviewSolution

1.	A monochromatic beam of light is refracted into water and then into glass. If λa, λw and λg are its wavelengths in air, water and glass respectively, then(A) λa = λw = λg(B) λa > λw > λg(C) λa < λw < λg(D) λa >λw or λg and λw = λg
Answer» Correct option is (B) λ_a > λ_w > λ_g

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