Ray Optics and Optical Instruments

Related Questions

• The refractive indices of glass and water w.r.t. air are 3/2 and 4/3 respectively. The refractive index of glass w.r.t. water will be

  ---

• From which source a continuous emission spectrum and a line absorption spectrum are simultaneously obtained

  ---

• A ray of light is incident normally on one of the face of a prism of angle $30^o$ and refractive index $\sqrt{2}$. The angle of deviation will be

  ---

• The wavelength of light in air and some other medium are respectively ${{\lambda }_{a}}$ and ${{\lambda }_{m}}.$ The refractive index of medium is

  ---

• The maximum magnification that can be obtained with a convex lens of focal length 2.5 cm is (the least distance of distinct vision is 25 cm)

  ---