Ray Optics and Optical Instruments

Related Questions

• Which of the following element was discovered by study of Fraunhofer lines

  ---

• A plane mirror reflecting a ray of incident light is rotated through an angle $\theta $ about an axis through the point of incidence in the plane of the mirror perpendicular to the plane of incidence, then

  ---

• A man can see the objects upto a distance of one metre from his eyes. For correcting his eye sight so that he can see an object at infinity, he requires a lens whose power is

  ---

• The diameter of the objective of the telescope is 0.1 metre and wavelength of light is 6000 Å. Its resolving power would be approximately

  ---

• A ray of light propagates from glass (refractive index = 3/2) to water (refractive index = 4/3). The value of the critical angle

  ---