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WorksheetsReflection of light
Total questions: 20
Worksheet time: 8mins
Name
Class
Date
1.
The ray of light that strikes a reflecting surface is called ________.
a)
incident ray
b)
reflected ray
c)
normal ray
d)
none of the above
2.
The imaginary line perpendicular to a reflecting surface is called _____.
a)
crooked line
b)
parallel line
c)
angular line
d)
normal line
3.
The angle produced as a source of light bounces off a reflecting surface is called ______.
a)
angle of crookedness
b)
angle of reflection
c)
angle of incidence
d)
angle of bounce
4.
Why can you see most objects that are not sources of light?
a)
they emit light
b)
light refracts through them
c)
light reflects off them
d)
They absorb light
5.
What is the line MN called in the given diagram
a)
incident ray
b)
reflected ray
c)
reflecting surface
d)
normal
6.
what is the angle between the incident ray and the normal called as
a)
angle of incidence
b)
angle of reflection
c)
angle of convergent
d)
angle of divergent
7.
If the angle of incidence is 45 degree, what is the angle between the incident ray and reflecting surface
a)
45
b)
90
c)
180
d)
none of the above
8.
What does incidence angle equal?
a)
reflection angle
b)
∠C
c)
∠D
d)
all of these
9.
a copy of an object formed by reflected or refracted rays of light
a)
image
b)
reflection
c)
regular reflection
d)
diffuse reflection
10.
Which of the following is not a source of light?
a)
A. candle
b)
B. caver’s lamp
c)
C. mirror
d)
D. sun
11.
What is A?
a)
Angle of incidence
b)
Angle of reflection
c)
Incident ray
d)
Reflected ray
12.
Law of reflection state that - The angle of incidence is .................. to the angle of reflection.
a)
equal
b)
double
c)
half
13.
........... – the angle between the normal and the reflected ray.
a)
Angle of incidence
b)
Angle of reflection
c)
Angle of coincidence
d)
Angle of direction
14.
What is reflection?
a)
Reflection is the bouncing of light off the surface that it strikes on.
b)
Reflection is the absorbing of light off the surface that it strikes on.
c)
Reflection is the bending of light off the surface that it strikes on.
d)
Reflection is the scattering of light off the surface that it strikes on.
15.
Which of these statements is true?
a)
Light travels in straight lines.
b)
Light is stopped when it meets a solid object.
c)
Light does not travel in straight lines.
d)
Light will only travel for about 2000km before it stops.
16.
MCQ 018
What is the value of the unknown angle (theta) in the following diagram?
What is the value of the unknown angle (theta) in the following diagram?
a)
A. 30 degrees
b)
B. 45 degrees
c)
C. 90 degrees
d)
D. 60 degrees
17.
A leaf is green. What does this tell you about the light that is being absorbed?
a)
The light is a UV ray.
b)
The light is not a part of the light spectrum.
c)
All colors are reflected except green.
d)
All colors are absorbed except green
18.
What happens when light hits a shiny or smooth surface?
a)
It disappears.
b)
It is refracted.
c)
It is absorbed.
d)
It is reflected.
19.
Section B1a
Given that the angle of incidence = 30 degrees
a. Draw a ray diagram, labelling clearly the normal, incident ray, angle of incidence, reflected ray and angle of reflection accurately.
Which is the correct diagam?
Given that the angle of incidence = 30 degrees
a. Draw a ray diagram, labelling clearly the normal, incident ray, angle of incidence, reflected ray and angle of reflection accurately.
Which is the correct diagam?
a)
A
b)
B
c)
C
d)
D
20.
MCQ 08
If a capital letter R is seen in an ordinary mirror, what does it look like?
If a capital letter R is seen in an ordinary mirror, what does it look like?
a)
A
b)
B
c)
C
d)
D
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