MEDIUM
10th Uttarakhand Board
IMPORTANT
Earn 100

What is meant by spectrum of light? Which colour of spectrum deviates the most and which the least?

Important Questions on The Human Eye and The Colourful World

MEDIUM
10th Uttarakhand Board
IMPORTANT
Explain the phenomenon of Rainbow formation.
MEDIUM
10th Uttarakhand Board
IMPORTANT
What is meant by Myopia? Write the causes and correction of this defect.
EASY
10th Uttarakhand Board
IMPORTANT
Why does the sky appear dark instead of blue to an astronaut?
EASY
10th Uttarakhand Board
IMPORTANT
What is the far point and near point of the human eye with normal vision?
EASY
10th Uttarakhand Board
IMPORTANT
What is hypermetropia? What type of lens is used for correcting hypermetropia?
EASY
10th Uttarakhand Board
IMPORTANT
A man is able to see the distant objects clearly but unable to see clearly the nearby objects. Which sightedness is the man suffering from?
EASY
10th Uttarakhand Board
IMPORTANT
The focal length of convex lens is 20 cm. Power of lens is