Which of the following scattering phenomena is responsible for the blue colour of the sky?
a) Mie scattering b) Diffraction c) Rayleigh scattering d) All of the mentioned
a) Mie scattering b) Diffraction c) Rayleigh scattering d) All of the mentioned
a) Shape and size of the particle b) Optical properties of the particle c) Wavelength and intensity of incident light d) All of the mentioned
a) Photophoresis b) Diffusiophoresis c) Thermophoresis d) Diffusiophoresis or Thermophoresis
a) Vapour pressure about a droplet decreases with decrease in diameter of the droplet b) Vapour pressure about a droplet increases with decrease in diameter of the droplet c) Vapour pressure of the droplet is independent of the diameter of the droplet d) Vapour pressure of the droplet varies with the diameter of the droplet … Read more
a) Less than 0.1 micron b) Greater than 0.1 micron c) Less than 1 micron d) Greater than 1 micron