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WorksheetsLight Quiz
Total questions: 20
Worksheet time: 7mins
We can see a non-luminous object when light _____________________
emitted by the object falls on the eye
is reflected from the object towards our eye
completely passes through the object
gets completely absorbed by the object
Image formed by a plane mirror is ______________
virtual , behind the mirror and enlarged
virtual , behind the mirror and of the same size as the object
real at the surface of the mirror and enlarged
real , behind the mirror and of the same size as the object
Light is falling on the surfaces S1 , S2 , S3 as shown in the figure . Surfaces on which the angle of reflection is equal to angle of incidence is/are
Only S1
S2 and S3
S1 and S2
All of the surfaces
A person 1m in front of a plane mirror seems to be ___________m away from his image.
1m
2m
3m
4m
If you touch your __________ ear with right hand in front of a plane mirror , it will be seen that the your right ear is touched with ____________hand
Right , Right
Right , Left
Left , Left
Left , Right
Angle of incidence is greater than the angle of reflection.
True
False
The image formed by a plane mirror is real .
True
False
Diffused reflection gives a sharp image.
True
False
The angle between incident ray and reflected ray is 60°. What is the value of angle of incidence?
60 degrees
45 degrees
30 degrees
23.5 degrees
The distance between the object and its image formed by a plane mirror appears to be 24 cm. What is the distance between the mirror and the object?
24 cm
20 cm
12 cm
10 cm
If the angle of incidence of light falling on a plane mirror is 30°, what will be the angle of reflection?
90 degrees
30 degrees
60 degrees
0 degrees
When we stand in front of our dressing table, our left hand seems to be right and right seems to be left. This is called
Left-Right confusion
Lateral inversion
Up-side down phenomenon
Mirage
If light falls perpendicularly on a plane mirror, what will be the angle in which it will be reflected?
45 degrees
90 degrees
180 degrees
360 degrees
Which of the following is NOT a luminous object?
Sun
Candle
Moon
Tube Light
Reflection is :
Absorption of light rays by the surface of an object.
Passing of light rays through the surface of an object.
bouncing back of light rays from the surface of an object.
None of these
What makes objects visible ?
The absorption of light by the object.
The reflected light from the object.
The refracted light from the object.
The dispersed light from the object.
If angle of incidence is equal to 50 degrees , then calculate the angle between the incident ray and the reflected ray .
50 degree
100 degrees
130 degrees
80 degrees
____________ refers to collection of rays
Photon
Beam
Shadow
Image
When ray of light is incident normally on the surface of the plane mirror , the angle of incidence is :
45 degrees
0 degrees
90 degrees
60 degrees
When an object 40cm high is placed in front of a plane mirror at a distance of 100cm then the size of the image will be :
20cm
40cm
100cm
10cm
