EASY
Earn 100

The angle of incidence is equal to the angle of reflection.

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Important Questions on Light

MEDIUM
Science>Physics>Light>Reflection of Light
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? 
EASY
Science>Physics>Light>Reflection of Light

An observer moves towards a stationary plane mirror at a speed of 4 m/s the speed with which his image move towards him?

MEDIUM
Science>Physics>Light>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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EASY
Science>Physics>Light>Reflection of Light
What is a polished surface, plane or curved called?
MEDIUM
Science>Physics>Light>Reflection of Light
Choose the odd one out.
MEDIUM
Science>Physics>Light>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?  
EASY
Science>Physics>Light>Reflection of Light
The process of sending back the light rays which fall on the surface of an object is called refraction of light.
EASY
Science>Physics>Light>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
EASY
Science>Physics>Light>Reflection of Light
What causes a change in the direction of light?
EASY
Science>Physics>Light>Reflection of Light
The process of sending back the light rays into the same medium is called _____.
MEDIUM
Science>Physics>Light>Reflection of Light
What will be the nature of the image formed in a periscope? Explain.
EASY
Science>Physics>Light>Reflection of Light
When I look in the mirror, I see a _____ of myself.
MEDIUM
Science>Physics>Light>Reflection of Light
The image formed in a periscope is upright. Why?
MEDIUM
Science>Physics>Light>Reflection of Light
The _____ of a house can be seen on the still waters of a pond.
MEDIUM
Science>Physics>Light>Reflection of Light
Describe how the effects of reflection are used in our daily life?
EASY
Science>Physics>Light>Reflection of Light
How many reflected rays can there be for a given single incident ray falling on a plane mirror?
EASY
Science>Physics>Light>Reflection of Light
Water is a natural mirror.
EASY
Science>Physics>Light>Reflection of Light
Choose the odd one out.
HARD
Science>Physics>Light>Reflection of Light

Match the following:

Column I

Column II

(a) A body that allows light to pass through it

(i) Translucent material

(b) A sheet of red cellophane

(ii) Non-luminous object

(c) Bouncing back of light from a surface

(iii) Luminous body

(d) A body emitting its own light

(iv) Reflection

(e) Moon

(v) Transparent body

 

MEDIUM
Science>Physics>Light>Reflection of Light
How does light enable us to see objects around us?