Advertisements
Advertisements
प्रश्न
What do you mean by visible light?
Advertisements
उत्तर
Visible light is a spectrum of a number of waves with different wavelength range from 400nm to 700nm (lnm = 10″9 meter) each wave has a definite wavelength represents a particular colour.
APPEARS IN
संबंधित प्रश्न
Write true or false of the following statement.
A black paper absorbs light of all the colours and reflects none.
Write true or false of the following statement.
The primary colours are red, blue and green.
Fill in the blank
The colour of an opaque object is the colour of light which it _______
Fill in the blank
Magenta, cyan and yellow are the ________ colours.
Select the correct alternative
The primary colours are
The leaves appear green when seen in white light. Give a reason.
Why does a piece of paper appear white in sunlight ? How would you expect it to appear when viewed in red light?
White light is composed of ______.
What is meant by synthesis of colour?
Why are we able to see the tap water in a glass even though it is colorless?
