MEDIUM
6th Chhattisgarh Board
IMPORTANT
Earn 100

State the difference between umbra and penumbra.

Important Questions on Light

MEDIUM
6th Chhattisgarh Board
IMPORTANT
Why do total and partial lunar eclipses occur?
MEDIUM
6th Chhattisgarh Board
IMPORTANT
Why does lunar eclipse not occur on every full-moon day?
MEDIUM
6th Chhattisgarh Board
IMPORTANT
State the precautions to be taken for viewing partial or total solar eclipses.
MEDIUM
6th Chhattisgarh Board
IMPORTANT
Which type of surface is necessary for the phenomenon of reflection?
MEDIUM
6th Chhattisgarh Board
IMPORTANT
Time taken by light to travel from the Sun to the Earth is
EASY
6th Chhattisgarh Board
IMPORTANT
When moon passes through the middle of the umbra of the earth then:
MEDIUM
6th Chhattisgarh Board
IMPORTANT
When the sun is at the top of the head, then the length of the shadow of a man will be
EASY
6th Chhattisgarh Board
IMPORTANT
An object, which has its own light, is called _____ of light.