Related Questions

  1. Dispersion of light is caused due to
  2. If the wavelength of incident light falling on a photosensitive material decreases,
  3. The reddish appearance of the sun at sunrise and sunset is due to
  4. An electric charge 10⁻³ μC is placed at the origin (0,0) of X-Y co-ordinate system.
  5. If the focal length of objective lens is increased, then magnifying power of