HARD
8th CBSE
IMPORTANT
Earn 100

Draw a well-labelled diagram of the structure of human eye. 

Important Questions on Light

MEDIUM
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 15 - Light>Check Point>Q 1
Reflection of light changes its velocity.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 15 - Light>Check Point>Q 1
There are two laws of reflection of light.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 15 - Light>Check Point>Q 1
The angle of incidence is an angle between the incident and reflected rays.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 15 - Light>Check Point>Q 1
Reflection takes place only on plane surfaces.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 15 - Light>Check Point>Q 1
Angle of reflection is always same as angle of incidence.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 15 - Light>Check Point>Q 2
A ray of light is incident on a surface at an angle of incidence of 30°. The angle of reflection will be (in degrees) _____.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 15 - Light>Check Point>Q 2

Select the correct option from the bracket.

At the point of incidence, incident and reflected rays make _____ (equal/unequal) angle with the reflecting plane surface.

EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 15 - Light>Check Point>Q 2
The bouncing back of a ray of light from a surface is called _____ of light ray.