A slide projector has a lens of focal length 150. mm. An image ...

[danielfitts88]

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]

Answer to Question 1

3.15 m

Answer to Question 2

(a) 2.67
(b) 1.67

[danielfitts88]

Thanks

[jjorrostieta]

Welcome