Author Question: A slide projector has a lens of focal length 150. mm. An image 100. cm 100. cm is formed of a slide ... (Read 44 times)

danielfitts88

  • Hero Member
  • *****
  • Posts: 535
A slide projector has a lens of focal length 150. mm. An image 100. cm  100. cm is formed of a slide whose dimensions are 50.0 mm  50.0 mm. How far from the lens must the screen be placed?
 
  What will be an ideal response?

Question 2

A magnifying glass of focal length 150. mm is used to examine an old manuscript.
 
  (a) What is the maximum magnification given by the lens?
  (b) What is the magnification for relaxed eye-viewing (image at infinity)?



jjorrostieta

  • Sr. Member
  • ****
  • Posts: 298
Answer to Question 1

3.15 m

Answer to Question 2

(a) 2.67
(b) 1.67



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

For a complete list of videos, visit our video library