EASY
10th CBSE
IMPORTANT
Earn 100

Atmospheric refraction caused advance sunrise and delayed sunset. By how much time is sunrise advanced?
(Ten minutes/ Two minutes)

50% studentsanswered this correctly

Important Questions on The Human Eye and The Colourful World
EASY
10th CBSE
IMPORTANT
Atmospheric refraction caused advance sunrise and delayed sunset. By how much time is sunset delayed?
(Ten minutes/ Two minutes)

EASY
10th CBSE
IMPORTANT
The planets twinkle at night due to atmospheric refraction of light.

EASY
10th CBSE
IMPORTANT
Name the phenomenon due to which the stars seem higher in the sky than they actually are.
(Choose from: Scattering of light/ Atmospheric refraction/ Atmospheric reflection/ Dispersion of light)

MEDIUM
10th CBSE
IMPORTANT
Why do stars seem higher than they actually are? Illustrate your answer with the help of a diagram.

EASY
10th CBSE
IMPORTANT
Explain why the sun can be seen about two minutes before the actual sunrise. Draw a diagram to illustrate your answer.

MEDIUM
10th CBSE
IMPORTANT
Explain why, if we look at objects through the hot air over a fire, the objects appear to be moving (or shaking) slightly.

EASY
10th CBSE
IMPORTANT
What is atmospheric refraction? What causes atmospheric refraction?

EASY
10th CBSE
IMPORTANT
Why do stars twinkle on a clear night?
