Give reason
White paper looks white in sunlight whereas a red rose looks red in sunlight.

Give reason why the smoke from a fire looks white.

Red and white pulps occurs in

A piece of paper appears black in sunlight. What will be its colour when seen in red light?

Why does a piece of paper appear white in sunlight ? How would you expect it to appear when viewed in red light?

If orange-red colour is absorbed from white light, the observed colour is

Red and white phosphorus will differ but not in:

A red flower looks black in the evening because of

During dispersion of white light by a prism, the red colour deviates most.

A bag contain 8 red and 5 white balls. Three balls are drawn at random. Find the probability that: All the three balls are white. All the three balls are red. One ball is red and two balls are white.

Dice A has 4 red and 2 white faces whereas dice B has 3 red and 3 white faces. A coin is tossed once, if it falls head then the game continues by throwing the dice A and if it falls tail then the dice B is to be used. If red turns up at first 3 throws, then the probability that dice A is being used is