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WorksheetsRefraction and Dispersion of light
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Optically denser medium :-
a)
Lowest speed of light
b)
Highest speed of light
c)
Medium speed of light
2.
Angle of — is always equal to angle of — ?
a)
Incident and reflected ray
b)
Emergent ray and reflected ray
c)
Refraction and incidence ray
d)
All of the above
3.
What is prism ?
(a)
4.
Write two types of lenses?
(a)
5.
What image does the convex lens forms
Virtual, erect and dimnished
a)
False
b)
True
6.
The phenomenon of the splitting of white light into seven colours is called
a)
Dispersion of light
b)
Refraction of light
7.
How many dots soes the braille system has
a)
62
b)
63
c)
64
8.
Light travles faster in water
a)
True
b)
False
9.
Band of seven colors
a)
VIBGORY
b)
VIBORYG
c)
VIBGYOR
d)
GYORVIB
10.
Both incident ray and reflected ray lie in same plane
a)
True
b)
False
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