MEDIUM
10th CBSE
IMPORTANT
Earn 100

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

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 7
Why do stars twinkle at night?
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 8
Name any three effects produced by the atmospheric refraction.
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
If we look at the objects through the hot air over a fire, the objects appear to be moving slightly. 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 10
Draw a diagram to illustrate the effect of atmospheric refraction at sunrise.
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?