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Author Question: Consider a camera with a 20. cm diameter lens recording images at 600. nm wavelength. (a) What is ... (Read 99 times)

tnt_battle

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on: Jul 27, 2018
Consider a camera with a 20. cm diameter lens recording images at 600. nm wavelength.
 
  (a) What is the angular resolution limit?
  (b) What is the minimum sized features which can be resolved on Mars (at a distance of 9.0  107 km) with this lens?

Question 2

The closest star to our solar system is Alpha Centauri, which is 4.30 light years away. A spaceship with a constant speed of 0.800c relative to the Earth travels toward the star.
 
  (a) How much time would elapse on a clock on board the spaceship?
  (b) How much time would elapse on a clock on the Earth?
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mjenn52

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

(a) 3.7  10-6 radian = 0.75 arc sec
(b) 3.3  102 km

Answer to Question 2

(a) 3.23 y
(b) 5.38 y


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