Refractive astronomical telescope, Physics

Assignment Help:

Refractive Astronomical Telescope:

It is an optical instrument which is used to see heavenly bodies such as stars, moon and planets is known as telescope.

Astronomical telescope having of a long metallic tube of variable length, two converging lens are mounted at its two ends.

Convex lens of large focal length and big aperture is known as objective.

Convex lens of shorter focal length and large aperture is known as eye piece.

Working:

The objective forms a real and inverted image of the object. This image is very small as compared to the object. The eye piece is used as magnifying glass. The final image is inverted and brighter than the object.

 

 


Related Discussions:- Refractive astronomical telescope

Force, What is SI unit of force

What is SI unit of force

Two equipotential surfaces , a) Can a gravitational field be added vertoria...

a) Can a gravitational field be added vertorially to an electric field to get a total field? Describe it. b) Can two equipotential surfaces cut down each other? describe it.

Is the sheath color important, Is the sheath color important? This is a...

Is the sheath color important? This is a mainly slippery subject and the cause of heated debate. Several scientists affirm that an opaque light or white colored cladding, parti

Explain the meaning of lasers, Explain the meaning of Lasers? Lasers us...

Explain the meaning of Lasers? Lasers use these discrete energy levels in atoms or molecules to build a large population of atoms at an excited energy level that are ready and

Which gates are known as universal gates, Which gates are known as universa...

Which gates are known as universal gates? Draw the circuit symbols of n-p-n and p-n-p transistor.

Problem solving, two blocks with masses 4kg and 8kg cre connected by a mass...

two blocks with masses 4kg and 8kg cre connected by a mass less string and slide down a 30degree inclined plane. the coefficient of kinetic friction between the 4kg block and the p

What is packing polymorphism, What is packing polymorphism When polymor...

What is packing polymorphism When polymorphism exists as a result of change in crystal packing, it is called packing polymorphism. Polymorphism can also result from the existen

Draw a free-body diagram for the space shuttle, Draw a free-body diagram fo...

Draw a free-body diagram for the space shuttle just after it leaves the ground.  Recognize the forces acting on the shuttle. Make sure that you do not neglect air resistance.

Friction, deriving formula of friction

deriving formula of friction

Simple Harmonic Motion And Waves, Easy definition with explanation of FREQU...

Easy definition with explanation of FREQUENCY, WAVELENGTH, AMPLITUDE, DAMPED OSCILLATIONS.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd