EASY
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A periscope works on the principle of of light from plane mirrors.

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Important Questions on Light, Shadows and Reflections

MEDIUM
A man stands symmetrically between two large plane mirrors fixed to two adjacent walls of a rectangular room. The number of images formed are
EASY

Find the value of ir in the diagram.

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MEDIUM
The angle between two mirrors at which 5 multiple images can be formed is _____. (Give the answer in degrees)
EASY
Explain why, when an object is placed between two plane mirrors inclined at an angle, then multiple images are formed.
EASY
How do we observe a distant object obstructed by a wall with the help of two plane mirrors and straight and bent tubes?
EASY

Write the quadrants in which the following points lie:

-4,7

HARD
How many images are formed when two plane mirrors are (a) facing each other (b) inclined at an angle of 90°(c) inclined at an angle of 60°?
MEDIUM
How many images will be formed if the angle between the mirrors is 72º?
EASY
What will be the number of images formed when an object is placed between two parallel plane mirrors facing each other?
MEDIUM
State two uses of plane mirrors other than looking glass.
EASY
We can even see the back of ourselves using two plane mirrors.
EASY
How many images are formed when two plane mirrors face each other?
MEDIUM
With the help of a ray diagram, explain the working of a periscope.
MEDIUM
Two plane mirrors kept at 90° to each other form four images.
EASY
Explain how a hairdresser makes you see hair at the back of your head after the hair cut is complete.
EASY
How many images are formed when two plane mirrors are inclined at an angle of 90°?
EASY
When two plane mirrors are placed at an angle of 60 degrees to each other the images formed are _____.
EASY
How many images of a candle will be formed if it is placed between two parallel plane mirrors separated by 40 cm?