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WorksheetsRefraction of light at curved surface
Total questions: 11
Worksheet time: 6mins
Name
Class
Date
1.
Light bending as it passes from one medium (object) to another is...
a)
Refraction
b)
Reflection
2.
Light bending as it passes through a rain drop is an example of...
a)
Refraction
b)
Reflection
3.
What causes light to appear refracted?
a)
temperature
b)
speed
c)
weather
d)
climate
4.
According to Willebord Snell, light passing from air to glass will cause the light to
a)
maintain its original speed
b)
accelerate while it is in glass
c)
increase its speed
d)
reduce its speed
5.
Absolute refractive index of any medium is always _______.
a)
less than 1
b)
greater than 1
c)
1
d)
0
6.
The velocity of light in vacuum is _______ ms(-1)
a)
3x108
b)
3x1012
c)
3x106
d)
3x1010
7.
How does light behave as it enters these mediums?
a)
continue its path as straight line.
b)
bends toward the normal
c)
bends away from the normal
d)
reflects
8.
Glass has a _____________ index of refraction than air.
a)
Equal
b)
Greater
c)
Less
d)
Impossible to say
9.
The formula to calculate the refractive index is
a)
n=cv
b)
n=v/c
c)
n=c/v
d)
v=nc
10.
Swimming pools and the ocean look shallower than they really are due to:
a)
reflection
b)
dispersion
c)
refraction
d)
total internal reflection
11.
Critical angle is the angle of incidence that produces an angle of refraction at......
a)
180 degrees
b)
90 degrees
c)
20 degrees
d)
120 degrees
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