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Earn 100

 Give three examples of mirror reflections in our daily life.

Important Questions on Symmetry

MEDIUM
Mathematics>Geometry>Symmetry>Mirror and Symmetry
A ray of light travels from a light source S to an observer after reflection from a plane mirror. lf source rotates in a clockwise direction by 10°, by what angle and in what direction mirror must be rotated so that light still strikes the observer? 
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Mathematics>Geometry>Symmetry>Mirror and Symmetry
How many reflected rays can there be for a given single incident ray falling on a plane mirror?
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Mathematics>Geometry>Symmetry>Mirror and Symmetry

What type of reflection of light takes place from a cinema screen?

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Mathematics>Geometry>Symmetry>Mirror and Symmetry
Diffused reflection is caused due to:
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Mathematics>Geometry>Symmetry>Mirror and Symmetry
The rear-view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m s-1. The driver sees in his rearview mirror the image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be
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Mathematics>Geometry>Symmetry>Mirror and Symmetry
Choose the odd one out.
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Mathematics>Geometry>Symmetry>Mirror and Symmetry
Which type of reflection of light, regular reflection or diffuse reflection, leads to the formation of images?
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Mathematics>Geometry>Symmetry>Mirror and Symmetry

Choose the appropriate word and fill in the blank.

Smooth things reflect light _____ (better/lesser) than rough things do.

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Mathematics>Geometry>Symmetry>Mirror and Symmetry
What will be the nature of the image formed in a periscope? Explain.
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Mathematics>Geometry>Symmetry>Mirror and Symmetry
Water is a natural mirror.
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Mathematics>Geometry>Symmetry>Mirror and Symmetry
If a black-coloured object does not reflect any light then how do we see the black printing on the pages of a book?  
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Mathematics>Geometry>Symmetry>Mirror and Symmetry

Observe the given diagram and answer the following:

Complete the figure to show the path of the ray after it hits the surface of mirror AB.

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EASY
Mathematics>Geometry>Symmetry>Mirror and Symmetry
The process of sending back the light rays which fall on the surface of an object is called refraction of light.
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Mathematics>Geometry>Symmetry>Mirror and Symmetry
What is reflection of light?          
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Mathematics>Geometry>Symmetry>Mirror and Symmetry
A shining metal spoon is a plane mirror.
MEDIUM
Mathematics>Geometry>Symmetry>Mirror and Symmetry
The image formed in a periscope is upright. Why?
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Mathematics>Geometry>Symmetry>Mirror and Symmetry
Choose the odd one out.
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Mathematics>Geometry>Symmetry>Mirror and Symmetry

A mirror reflects the light

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Mathematics>Geometry>Symmetry>Mirror and Symmetry

When light bounces off something, we say that it is being _____ (reflected/refracted).

MEDIUM
Mathematics>Geometry>Symmetry>Mirror and Symmetry

Locate as many words/terms used in this chapter from the following word-maze.

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