HARD
6th CBSE
IMPORTANT
Earn 100

Do fishes cast shadows in water?

Important Questions on Light and Shadows
MEDIUM
6th CBSE
IMPORTANT
On a sunny day, two identical bedsheets, of red and green colour, are hanging on a clothes line. What would be the colour of the shadows of these two bedsheets?

MEDIUM
6th CBSE
IMPORTANT
State the relative positions, of the sun, the moon and the earth, during a lunar eclipse.

HARD
6th CBSE
IMPORTANT
Cover the face of a torch with a transparent coloured paper. Send its beam through an opaque object. What do you observe?

HARD
6th CBSE
IMPORTANT
With the help of suitable diagrams, show that the size of shadow formed, depends upon the relative position of the source and the opaque object.

HARD
6th CBSE
IMPORTANT
Raghav set up the following arrangement in the science laboratory. He put (i) a steel glass (ii) a transparent glass, at the position P, one by one. Would a shadow be formed in each case? Give reason for your answer.

HARD
6th CBSE
IMPORTANT
With the help of a diagram, show the formation of an image by a pinhole camera.

HARD
6th CBSE
IMPORTANT
Give the meaning of the term 'Lateral inversion. Suggest how it may be used to send a 'coded (secret)' message.
