EASY
8th CBSE
IMPORTANT
Earn 100

What is a periscope? How many mirrors are there are in a periscope?

Important Questions on Light

EASY
8th CBSE
IMPORTANT
State the various uses of a periscope.
EASY
8th CBSE
IMPORTANT
Explain how a hairdresser makes you see hair at the back of your head after the hair cut is complete.
EASY
8th CBSE
IMPORTANT
How many images of an object will be formed when the object is placed between two plane mirrors which are inclined at the following angles to one another:120° 
EASY
8th CBSE
IMPORTANT
How many images of an object will be formed when the object is placed between two plane mirrors which are inclined at 45° to one another?
EASY
8th CBSE
IMPORTANT
How many images of an object will be formed when the object is placed between two plane mirrors which are inclined at the following angles to one another: 180°
MEDIUM
8th CBSE
IMPORTANT
How many images of an object will be formed when the object is placed between two plane mirrors which are inclined at 60° angles to one another?
EASY
8th CBSE
IMPORTANT
How many images of an object will be formed when the object is placed between two plane mirrors which are inclined at 90° angles to one another?
EASY
8th CBSE
IMPORTANT

Two plane mirrors are set at right angles to each other. A coin is placed in-between these two plane mirrors. How many images of the coin will be seen ?