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Author Question: Contrast image formation in reflectors and refractors. What will be an ideal ... (Read 43 times)

Lisaclaire

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on: Jul 27, 2018
Contrast image formation in reflectors and refractors.
 
  What will be an ideal response?

Question 2

On the H-R diagram, the Sun lies
 
  A) about the middle of the main sequence.
  B) at the top left.
  C) at the bottom right.
  D) at the bottom left.
  E) at the top right.


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SVictor

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Reply #1 on: Jul 27, 2018
Answer to Question 1

Reflectors use a curved mirror to reflect the light back to a focus, while refractors use a convex lens to bend the transmitted light to a focus.

Answer to Question 2

A


Lisaclaire

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Reply 2 on: Jul 27, 2018
Wow, this really help

lcapri7

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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