A glass slab of thickness 8 cm contains the same number of waves as 10 cm of water when both are transverse by the same monochromatic light. If the refractive index of water is 4/3, then refractive index of glass is
a)
5/4
b)
3/2
c)
5/3
d)
16/15
A glass slab of thickness 8 cm contains the same number of waves as 10 cm of water when both are transverse by the same monochromatic light. If the refractive index of water is 4/3, then refractive index of glass is
a)
5/4
b)
3/2
c)
5/3
d)
16/15
Question ID - 150072 | SaraNextGen Answer
A glass slab of thickness 8 cm contains the same number of waves as 10 cm of water when both are transverse by the same monochromatic light. If the refractive index of water is 4/3, then refractive index of glass is
a)
5/4
b)
3/2
c)
5/3
d)
16/15
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A glass slab of thickness 8 cm contains the same number of waves as 10 cm of water when both are transverse by the same monochromatic light. If the refractive index of water is 4/3, then refractive index of glass is |
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a) |
5/4 |
b) |
3/2 |
c) |
5/3 |
d) |
16/15 |
1 Answer - 5876 Votes
3537
Answer Key : (c) -
Answer Link|
(c) Let the wavelength of monochromatic light in glass be
Now,
|
cm and in water be 
cm.
Number of waves in 8 cm of glass=
, and number of waves in 10 cm of glass 
.
