Question

(i) Define scattering.

(ii) The smoke from a **** looks white. Which of the following statements is true ?

1. Molecules of the smoke are ** than the wavelength of light.

1. Molecules of the smoke are smaller than the wavelength of light

Answer 1

(i) Scattering is the process of absorption and then re-emission of light energy.

(ii) The smoke from a looks white because molecules of the smoke are ** than wavelength of light, scatter the light *** all wavelengths of white light to the same extent.

Therefore, statement-1 is true.