Author Question: Consider a camera with a 20. cm diameter lens recording images at 600. nm wavelength. (a) What is ... (Read 90 times)

tnt_battle

  • Hero Member
  • *****
  • Posts: 556
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?


mjenn52

  • Sr. Member
  • ****
  • Posts: 351
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

For a complete list of videos, visit our video library