Physics
Answer
Colour of light is the subjective property of light related to its wavelength.
Different colours differ in their wavelength. In fact, wavelength is the characteristic of colour, irrespective of its origin i.e., the light of the same colour, obtained from different sources will have same wavelength.
Related Questions
Assertion (A): A beam of white light gives a spectrum on passing through a hollow prism.
Reason (R): The speed of light outside the prism is same as the speed of light inside the prism.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true and R is not the correct explanation of A.
- assertion is false but reason is true.
- assertion is true but reason is false.
Which colour of white light travels (a) fastest (b) slowest, in glass?
What is the range of wavelength of the spectrum of white light in —
(i) Å, and
(ii) nm?
Name four colours of the spectrum of white light which have wavelength longer than blue light.