Worksheets7.04: Light: Refraction: Speed of Light in Different Mediums
Total questions: 7
Worksheet time: 7mins
Name
Class
Date
1.
Light has the highest velocity in which medium?
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45
a)
diamond
b)
water
c)
flint glass
d)
barium glass
2.
Light has the lowest velocity in which medium?
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45
a)
diamond
b)
water
c)
flint glass
d)
barium glass
3.
The velocity of light in vacuum is _______ m/s.
a)
3x108
b)
3x1012
c)
3x106
d)
3x1010
4.
Light travels through a liquid at 2.25x108 m/s. What is the index of the liquid? (speed of light in air is 3 x108 ms-1)
a)
1.33
b)
1.0
c)
1.523
d)
2.45
5.
Light travels at 1.76x108 m/s through an optical medium. What is the medium?
diamond n=2.45
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
a)
Crown Glass
b)
Barium Glass
c)
Flint Glass
d)
Diamond
6.
What is the speed of light in diamond whose refractive index is 2.42? (speed of light in air is 3 x 108 ms-1)
a)
3.5 x 108 ms-1
b)
1.24 x 108 ms-1
c)
2.6 x 108 ms-1
d)
2. 32 x 108 ms-1
7.
What is the refractive index of a medium in which light travels at a speed of 1.25 x 108 ms-1? (speed of light in air is 3 x108 ms-1)
a)
3.1
b)
2.8
c)
1.7
d)
2.4
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