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

Temporal coharence, tell me about the terms of temporal coharence

tell me about the terms of temporal coharence

Kinematics, how much energy is required to raise an object of 300g that is ...

how much energy is required to raise an object of 300g that is initially at rest to a height of 2m and simultaneuosly give the object a velocity if 4m/s?

Electric, What makes a flashlight suddenly become dim or bright when you sh...

What makes a flashlight suddenly become dim or bright when you shake it?

What is sliding friction, Sliding friction Lock the rollers of a roller...

Sliding friction Lock the rollers of a roller skate by criss-crossing rubber bands more than them on both sides. Place the roller skate on a sloping board and reminder how the

Do glass or polymer transmits the radiation, Do glass or polymer transmits ...

Do glass or polymer transmits the radiation? There is not a simple answer since it will always depend on the last use and working conditions of the system. Usually speaking gla

When throwing a baseball a force is exerted by the hand, When throwing a ba...

When throwing a baseball, a force is exerted by the hand on the ball. a. Is this force a contact force or a field force? Contact Force b. Throwing a ball 6 m straight upwa

Resistors in parallel , Resistor in Parallel  Components are said to be ...

Resistor in Parallel  Components are said to be in parallel when they are connected in such a way as to provide alternative paths for current flow. The characteristics o

What is the average velocity of the balloon, The position-time graph for a ...

The position-time graph for a hot-air balloon that is in flight is shown in the accompanying figure.   a) What is the average velocity of the balloon? b) What is the

Calculate the velocity of the ball, A boy is standing on an elevator which ...

A boy is standing on an elevator which is traveling downward with a constant velocity of 30 meters per second.  The boy throws a ball vertically upward with a velocity of 10 meters

What is described by millikan experiment?, The Millikan experiment showed t...

The Millikan experiment showed that electric charge was: a) Negative b) Quantized c) Positive d) Immeasurable Ans: The Millikan experiment showed that elec

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