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Subjects
Science State Board
Class 8
Light
The properties and applications of light
18.
Exercise on Kaleidoscope and Periscope
Exercise condition:
2
m.
Select the correct answer
1
.
In a Kaleidoscope, the mirrors make an angle of ___________ with each other.
360°
60°
180°
90°
2
.
Which object use the reflection of light?
Kaleidoscope
Plane mirror
Convex mirror
All the above
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