MEDIUM
10th CBSE
IMPORTANT
Earn 100

Draw a diagram to illustrate the effect of atmospheric refraction at sunrise.

Important Questions on The Human Eye and The Colourful World

MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 2
With the help of the diagram explain an activity for observing the scattering of light in a colloidal solution of sulphur to show how the sky appears blue and the appearance of sun red at sunrise and sunset.
MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 3
Why the sun overhead at noon appears white?
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 4
The danger signals are red. Why?
MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 5
Why the sky appears black to an astronaut?
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 6
The sky appears blue on a clear day. Why?
MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 7
Mention any two effects produced by scattering of light by the atmosphere.
EASY
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 9
The colour of the scattered light depends on the size of the scattering particles in the atmosphere. Justify.
MEDIUM
10th CBSE
IMPORTANT
Concise Physics A Textbook of Science for Class X>Chapter 2 - Part -1>The Human Eye and The Colourful World>Q 10
Why the sun appears red at sunrise and sunset?