MEDIUM
6th ICSE
IMPORTANT
Earn 100

State two differences between an umbra and a penumbra.

Important Questions on Light

HARD
6th ICSE
IMPORTANT
Draw a ray diagram to show the formation of umbra alone.
MEDIUM
6th ICSE
IMPORTANT
Draw a ray diagram to show the formation of umbra and penumbra both. Label the parts umbra and penumbra in your diagram.
MEDIUM
6th ICSE
IMPORTANT

In each of the following diagrams, draw rays to form umbra and penumbra on the screen.

Question Image  

MEDIUM
6th ICSE
IMPORTANT

In each of the following diagrams, draw rays to form umbra and penumbra on the screen

   Question Image

MEDIUM
6th ICSE
IMPORTANT
State the conditions when only the penumbra of an opaque object is obtained on the screen.
MEDIUM
6th ICSE
IMPORTANT
Why is it that the birds flying in the sky do not cast their shadows on the earth?
MEDIUM
6th ICSE
IMPORTANT
Why are shadows at noon shorter than in the morning or in the evening?
EASY
6th ICSE
IMPORTANT
What is an eclipse? Name the two types of eclipses.