Explain about refracting telescopes, Physics

Assignment Help:

Refracting telescopes, if uncorrected, suffer from chromatic aberration.

Chromatic aberration occurs because:

a) red light is focused more strongly than blue light

b) blue light is focused more strongly than red light

c) the outer light rays are focused more strongly than the central rays,

d) the central light rays are focused more strongly than the outer rays.

Ans- Blue light is focused more strongly than red light

Related Discussions:- Explain about refracting telescopes

What is dielectric constant, When a dielectric field is completely full in ...

When a dielectric field is completely full in among charges rearrangement of the charges inside the dielectric medium takes place and the force among the same tow charge reduces by

Proton electron hypothesis, why an electron can''t exist in the nucleus .

why an electron can''t exist in the nucleus .

Help, #question. A child applies a force F? parallel to the x-axis to a 10....

#question. A child applies a force F? parallel to the x-axis to a 10.0-kg sled moving on the frozen surface of a small pond. As the child controls the speed of the sled, the x-comp

Pressure, 3 scenarios: You have an object such as a jar, and you submerge i...

3 scenarios: You have an object such as a jar, and you submerge it under water to 50m depth. (Every 10m down increases pressure by 1 bar, thus the pressure is 5 bar). Scenario 1:

Classes of magnetic materials: hard ferrits, These materials are used for p...

These materials are used for permanent magnet manufacturing because of their low cost and their low weight. It consists of low iron oxide in combination with either barium carbonat

Dynamic Casimir effect, We can produce energy from dynamic Casimir effect?

We can produce energy from dynamic Casimir effect?

Relation among electric force and electric field, In an electric field a ...

In an electric field a charge (Q) experiences a force F = QE. If charge is positive then force is directed in the direction of field whereas if charge is negative force acts on i

Drag, The parachute on a race car that weighs 8750 N opens at the end of a ...

The parachute on a race car that weighs 8750 N opens at the end of a quarter-mile run when the car is traveling 38 m/s. What net retarding force (magnitude) must be supplied by the

Vernier calliper , measurement and calculation with formula

measurement and calculation with formula

Action reaction pairs, A passenger sitting in the rear of a bus claims that...

A passenger sitting in the rear of a bus claims that she was injured as the driver slammed on the breaks, causing a suitcase to come flying towards he from the front of the bus. If

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages