EASY
10th CBSE
IMPORTANT
Earn 100
Why are the 'danger signal' lights red in colour?
Important Questions on The Human Eye and The Colourful World
EASY
10th CBSE
IMPORTANT
Name the part of the eye which controls the amount of light entering the eye.
EASY
10th CBSE
IMPORTANT
Name the part of the eye on which the image is formed. (Choose from: Cornea, Retina, Iris)
EASY
10th CBSE
IMPORTANT
What causes the scattering of the blue component of sunlight in the atmosphere?
EASY
10th CBSE
IMPORTANT
The blue colour of the sky is due to:
EASY
10th CBSE
IMPORTANT
Sunset is red because at that time the light coming from the sun has to travel ______
EASY
10th CBSE
IMPORTANT
In an experiment to study the scattering of light by passing a beam of white light through a colloidal solution of Sulphur in a transparent glass tank:
Which colour is observed from the front of the glass tank? Does this colour correspond to the colour of the sky on a clear day or the colour of the sky around the sun at sunset?
EASY
10th CBSE
IMPORTANT
In an experiment to study the scattering of light by passing a beam of white light through a colloidal solution of Sulphur in a transparent glass tank:
Which colour is observed from the sides of the glass tank? Does this colour correspond to the colour of the sky on a clear day or the colour of the sky around the sun at sunset?
HARD
10th CBSE
IMPORTANT
Explain why, when the sun is overhead at noon, it appears white, but when the same sun is near the horizon at sunset, it appears red.
