
light reflection and refraction
Quiz
•
Physics
•
8th Grade
•
Hard
JAGADEESH T
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Bouncing of a light ray when it strikes a reflecting surface is called.........
Refraction
Dispersion
Reflection
Diffraction
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
which of the following is not a property of the image formed by a [lane mirror?
virtual and erect
Object size = image size
object distance = image distance
Real and inverted
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
which of the following ray diagrams is correct for the ray of light incident on a concave mirror as shown in the figure 10.6?
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The relation between focal length and radius of curvature is
R = 2f
1/f = 2R
f = R/2
R = 2/f
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The point on the spherical mirror at the middle of the surface is called
focus
centre of curvature
pole
radius of curvature
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The focal length of a plane mirror is ........
infinite
zero
1m
100m
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The image formed by a concave mirror when the object is placed between the pole and the focus is ......
virtual, erect and magnified
virtual, erect and diminished
real, inverted and magnified
real, inverted and diminished
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