Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

Trending News

Promoted
Bloop
Bloop asked in Science & MathematicsPhysics · 3 weeks ago

A standardized biological microscope has an 8.0-mm-focal-length objective.?

What focal-length eyepiece should be used to achieve a total magnification of 100×?

1 Answer

Relevance
  • Jim
    Lv 7
    3 weeks ago

    mag = Fobj/Feye

    100 = 8.9/x

    x = 8.9/100 = 0.089 mm

    The same rule applies to telescopes as well.

Still have questions? Get your answers by asking now.