Class 7 cbse light
Authored by Poulami Ganguly
Physics
7th Grade
Used 3K+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Latha is observing her image in a plane mirror. The distance between the mirror and her image is 6 m. If she moves 2m towards the mirror then the distance between latha and her image will be
8 m
4 m
10 m
5 m
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If you are standing 2m away from a plane mirror the distance between you and your image are
2m
4m
6m
8m
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Angle between incident and reflected ray i.e. angle AOB is
30 degree
40 degree
120 degree
180 degree
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Images that can't be captured on a screen are called
Real image
Virtual image
Proper image
Imaginary image
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Convex lens is also called as
Diverging lens
Converging lens
Plane lens
Power lens
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A refracting telescope uses a concave and a
Concave mirror
Convex lens
Both a and c
Convex mirror
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the focal length of a plane mirror?
1
89
Infinity
Zero
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