« previous next »

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 131 times)

danielfitts88

  • Hero Member
  • *****
  • Posts: 535
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
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

danielfitts88

  • Hero Member
  • *****
  • Posts: 535
Reply #2 on: Jul 27, 2018
Thanks


jjorrostieta

  • Sr. Member
  • ****
  • Posts: 298
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Variation in shape and length of nerve cells. Variation in shape and length of nerve cells.
Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye
An image comparing the brain sizes of different species. An image comparing the brain sizes of different species.
An adjustable wrench. Adjustable wrenches are sized by the overall length of the wrench, not by how ... An adjustable wrench. Adjustable wrenches are sized by the overall length of the wrench, not by how ...
Pinch the sternocleidomastoid (SCM) muscle at points along its length. Turn head to side to expose ... Pinch the sternocleidomastoid (SCM) muscle at points along its length. Turn head to side to expose ...
A little part of textbook image A little part of textbook image
Video: Embryonic development - Week 3

For a complete list of videos, visit our video library