1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Image formed by telescope

  1. Jun 24, 2006 #1
    # An observer looks at a tree of height 15 meters with a telescope of magnifying power 10. How does the tree appear to the man?
    I think the tree will appear to be 10 times taller. Is it right?
     
  2. jcsd
  3. Jun 24, 2006 #2

    Chi Meson

    User Avatar
    Science Advisor
    Homework Helper

    Is that exactly how the question is stated?

    In short, you are correct, but...

    Telescope magnification is "angular magnification" not "linear magnification." A 10 X scope does not necessarily mean you will say "oh my god, that looks like a 150 meter tall tree!" You are more likely to have the impression that you are standing closer to the tree such that the subtended angle is increased ten times.
     
  4. Jun 25, 2006 #3
    The tree is at a large distance from the man. The telescope brings the image of the tree nearer. Can’t we call that feature of the telescope as magnification?
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?



Similar Discussions: Image formed by telescope
Loading...