NEW
Font size
S
M
L
XL
WorksheetsReflection and Refraction
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Every convex mirror is
a)
convergent
b)
divergent
c)
reflecting
d)
refracting
2.
Velocity of light ______ when it passes from optically denser to optically rarer medium
a)
decreases
b)
increases
c)
does not change
3.
Virtual image can be obtained on screen. State true or false.
a)
True
b)
False
4.
Focal length of concave lens as well as concave mirror are positive.
a)
True
b)
False
5.
Magnification produced by concave lens is always ______
a)
> 1
b)
< 1
c)
= 1
6.
Absolute refractive index is maximum for ________.
a)
water
b)
diamond
c)
glass
d)
mercury
7.
Absolute refractive index is least for ________.
a)
air
b)
mica
c)
vacuum
d)
water
8.
Focal length of plane glass is zero
a)
True
b)
False
9.
Mirror formula is applicable only to spherical mirrors.
a)
True
b)
False
10.
Light cannot travel in vacuum.
a)
True
b)
False
Reset
