EASY
8th Chhattisgarh Board
IMPORTANT
Earn 100

Glass is denser than water. So will the refractive index of air to glass and air to water be more or less?

Important Questions on Refraction of Light

EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 9 - Refraction of Light>NOW ANSWER THESE>Q 1
What is a lens? How many types of lens are there?
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 9 - Refraction of Light>NOW ANSWER THESE>Q 2
Define principal axis.
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 9 - Refraction of Light>NOW ANSWER THESE>Q 2
Define optical center.
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 9 - Refraction of Light>NOW ANSWER THESE>Q 3
Write the rules about the formation of image by lens.
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 9 - Refraction of Light>NOW ANSWER THESE>Q 4
The picture formed on the screen at the theatre is real or virtual?
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 9 - Refraction of Light>NOW ANSWER THESE>Q 1
What is the minimum distance (in centimeters) at which a clear image can be visualized?
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 9 - Refraction of Light>NOW ANSWER THESE>Q 2
Where is the image formed in a human eye?
EASY
8th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VIII>Chapter 9 - Refraction of Light>NOW ANSWER THESE>Q 3
What is short-sightedness? How can it be rectified?