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MHT CET2016PhysicsRay Optics

Resolving power of telescope increases when

Options

  1. Awavelength of light decreases.
  2. Bwavelength of light increases.
  3. Cfocal length of eye-piece increases.
  4. Dfocal length of eye-piece decreases.

Correct answer

A. wavelength of light decreases.

Step-by-step solution

Resolving power of telescope is given by P = d 1.22 λ When λ decrease, resolving power increases and vice versa

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