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

Help, Experiencing a constant horizontal 1.10 m/s wind, a hot-air balloon a...

Experiencing a constant horizontal 1.10 m/s wind, a hot-air balloon ascends from the launch site at a constant vertical speed of 2.70 m/s. At a height of 202 m, the balloonist main

What frequency of light is emitted from the helium atom, A helium atom is i...

A helium atom is in a galaxy travelling at a speed of 4.89 x 10 6 m/s away from the Earth. An astronomer on Earth observes a frequency from the helium atom of 6.52 x 10 14 H

What are nodes in standing waves, The points where amplitude is minimized a...

The points where amplitude is minimized are called as nodes.

Illustrate is negative mass antimatter, Q. Illustrate is negative mass anti...

Q. Illustrate is negative mass antimatter? Answer:- It is false there is really no such thing as negative mass. Yet antimatter has mass which is always a positive (that is

Lab, Imagine a small observer is positioned in front of the cork in your pi...

Imagine a small observer is positioned in front of the cork in your picture above. As the cork approaches, the observer measures the wavelength of the waves passing by. How does th

2-cryogenics, 2-Cryogenics Cryogenic is the science of producing and u...

2-Cryogenics Cryogenic is the science of producing and using very low temperature. The study of low temperature  effects in biology and medicine is called cryobiology. Low tem

Mutual induction, i want to write my assignment based on mutual induction b...

i want to write my assignment based on mutual induction between two coils.please help!

Ratio of the frequency of fourth overtone, What do you mean by the ratio of...

What do you mean by the ratio of the frequency of fourth overtone to the fundamental frequency of a stretched string?

Determine the moment or torque, Determine the moment or torque that force P...

Determine the moment or torque that force P applies at point A about the vertical axis if force P in Newtons is given in P10 and the angle in degrees shown on the diagram is given

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