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Earn 100

What are the laws of reflection?

Important Questions on Light Energy

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Science>Physics>Light Energy>Reflection of Light

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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Science>Physics>Light Energy>Reflection of Light
Choose the odd one out.
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Science>Physics>Light Energy>Reflection of Light
How many reflected rays can there be for a given single incident ray falling on a plane mirror?
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Science>Physics>Light Energy>Reflection of Light
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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Science>Physics>Light Energy>Reflection of Light
When I look in the mirror, I see a _____ of myself.
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Science>Physics>Light Energy>Reflection of Light
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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Science>Physics>Light Energy>Reflection of Light
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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Science>Physics>Light Energy>Reflection of Light

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

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Science>Physics>Light Energy>Reflection of Light
The process of sending back the light rays into the same medium is called _____.
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Science>Physics>Light Energy>Reflection of Light
What will be the nature of the image formed in a periscope? Explain.
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Science>Physics>Light Energy>Reflection of Light
The image formed in a periscope is upright. Why?
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Science>Physics>Light Energy>Reflection of Light
Water is a natural mirror.
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Science>Physics>Light Energy>Reflection of Light
The _____ of a house can be seen on the still waters of a pond.
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Science>Physics>Light Energy>Reflection of Light
Describe how the effects of reflection are used in our daily life?
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Science>Physics>Light Energy>Reflection of Light
How does light enable us to see objects around us?
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Science>Physics>Light Energy>Reflection of Light
Choose the odd one out.
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Science>Physics>Light Energy>Reflection of Light

Choose the appropriate word and fill in the blank.

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

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Science>Physics>Light Energy>Reflection of Light
What causes a change in the direction of light?
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Science>Physics>Light Energy>Reflection of Light

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

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EASY
Science>Physics>Light Energy>Reflection of Light

Shiny and _____ surfaces are better reflectors. (Choose from given options : polished/unpolished)