Home
Class 12
PHYSICS
Calculate the limit of resolution of a t...

Calculate the limit of resolution of a telescope given that the diameter of the objective is 1.5 m and wavelength of the light used is 555 nm.

Text Solution

Verified by Experts

`d theta = ( 1.22 lambda)/( D)`
`d theta = (1.22 xx 555 xx 10^(-9) )/( 1.5) = 4.514 xx 10^(-7) rad`
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    OSWAAL PUBLICATION|Exercise TOPIC-3(SHORT ANSWER TYPE QUESTIONS-II)|2 Videos

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    OSWAAL PUBLICATION|Exercise TOPIC-3(LONG ANSWER TYPE QUESTIONS)|5 Videos

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    OSWAAL PUBLICATION|Exercise TOPIC-3(VERY SHORT ANSWER TYPE QUESTIONS)|3 Videos

  • NUCLEI

    OSWAAL PUBLICATION|Exercise TOPIC -2 (Numerical Problems)|3 Videos

  • Sample Paper 1

    OSWAAL PUBLICATION|Exercise Exercise|36 Videos

Similar Questions

Explore conceptually related problems

Give the expression for limit of resolution of a telescope along with the explanation of the symbols used.

If the limit of resolution of the eye is 1' of an arc then calculate its resolving power.

Calculate the resolving power of a telescope whose limit of resolution is 2.44xx10^(-6) rad.

Limit of resolution of a telescope is 4.88 xx 10^-6 rad for light of wavelength 560 nm. Diameter of objective is

Diameter of the objective of a telescope is 200 cm. What is the resolving power of a telescope ? Take wavelength of light =5000 Å .

Two luminous point sources seperated by a certain distance are at 10 km from an observer. If the aperture of his eyes is 2.5xx10^(-3)m and the wavelength of light used is 500 nm, the distance of seperation between the point sources just seen to be resolved is

A ray of light of wavelength 720 nm is refracted into a medium of refractive index 1.5. The wavelength of light in the medium is

A telescope of aperture 0.15 m is used to view two heavenly separated by a certain linear distance. If the distance of these two is 1 million light years from the earth and the wavelength of light emitted is 449 nm, the calculate the linear separation between them.