Question : A glass slab of thickness 4 cm contains the same number of waves as 5 cm of water when both are traversed by the same monochromatic light. If the refractive index of water is 4/3, what is that of glass?
A. 5/3
B. 5/4
C. 16/15
D. 1.5
Answer:A
Question : A glass slab of thickness 4 cm contains the same number of waves as 5 cm of water when both are traversed by the same monochromatic light. If the refractive index of water is 4/3, what is that of glass?
A. 5/3 B. 5/4 C. 16/15 D. 1.5