Skip to content
PhysicsNEET 2020Optical instruments: microscope and telescope

Ray Optics and Optical Instruments

Assume that light of wavelength 600 nm is coming from a star. The limit of resolution of a telescope whose objective has a diameter of 2 m is:

  1. A.3.66×10−73.66 \times 10^{-7} rad✓
  2. B.1.83×10−71.83 \times 10^{-7} rad
  3. C.7.32×10−77.32 \times 10^{-7} rad
  4. D.6.00×10−76.00 \times 10^{-7} rad

You have the answer. The worked solution — and why the other three were written — is part of a paid pack.

More from this chapter in past papers

From Physics › Ray Optics and Optical Instruments › Optical instruments: microscope and telescope — lectures, notes and every past question on it.

Last revised . Found a mistake? Tell us — corrections are the fastest thing we act on.

ShareWhatsAppTelegram