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Question
Physics
The frequency of a light wave in a material is 2 × 1014 Hz and wavelength is 5000 mathringA. The refractive index of material will be
Q. The frequency of a light wave in a material is
2
×
10
14
Hz
and wavelength is
5000
A
˚
. The refractive index of material will be
1447
213
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A
1.50
0%
B
3.00
40%
C
1.33
20%
D
1.40
40%
Solution:
Refractive index
μ
=
v
c
=
v
λ
c
=
2
×
1
0
14
×
5000
×
1
0
−
10
3
×
1
0
8
=
3