MCQ for class 10 Science Light Reflection and Refraction 27. 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 [NCERT Exemplar Problems]
A. greater than unity
B. less than unity
C. equal to unity
D. zero
Answer:B
MCQ for class 10 Science Light Reflection and Refraction 27. 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 [NCERT Exemplar Problems]
A. greater than unity B. less than unity C. equal to unity D. zero