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 the true weight of the satellite, A satellite has a mass of 5900 kg...

A satellite has a mass of 5900 kg and is in a circular orbit 3.0 x 10 5  m above the surface of a planet. The period of the orbit is two hours. The radius of the planet is 4.15 x 1

Projectile Motion, Ask A rugby player passes the ball 9.75 m across the fie...

Ask A rugby player passes the ball 9.75 m across the field, where it is caught at the same height as it left his hand. At what angle was the ball thrown if its initial speed was 12

Determine the corresponding error in the computed discharge, The discharge ...

The discharge over a triangular notch can be written as  Q = (8/15) Cd (2g)0.5 tan(θ/2) H5/2 If an error of 1% in measuring H is introduced determine the corresponding error

What is speed of an electron and a proton in circular path, An electron and...

An electron and a proton are moving at the similar speed in circular paths in the similar uniform magnetic field.  The radius of the path of the proton is one of the following.

Determine the enthalpy of vaporizaton of species, Determine the enthalpy of...

Determine the enthalpy of vaporizaton of species: You wish to determine the enthalpy of vaporizaton of species A. You are able to find the following data: Species A has a norm

Explain peltier effect, When current is passed by a junction of two dissimi...

When current is passed by a junction of two dissimilar solids, the temperature is either evolved or absorbed at the node. This effect is known as Peltier effect

Determine magnetic circuit of uniform cross-sectional area, A section throu...

A section through a magnetic circuit of uniform cross-sectional area 2cm 2 is shown in Figure. The cast steel core has a mean length of 25cm. The air gap is 1mm wide and the

Calculate the partial pressure, A 10L helium balloon at a pressure of 2 bar...

A 10L helium balloon at a pressure of 2 bar at 27C. some O 2 is now in balloon and final volume is made 30L. the pressure also fell to 1 bar at same temperature. the partial press

What is the average velocity of the airplane, The position of an airplane a...

The position of an airplane as a function of time is shown in the figure below. a. What is the average velocity of the airplane? b. What is the average speed of the air

Explain eye chamber and its working, Eye Chamber: The ball is separated...

Eye Chamber: The ball is separated into two chamber, the aqueous chamber and the vitreous chamber. Working: Parallel rays from an object converged by the eye lens and b

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