« 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 114 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 senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

This image shows growing blood vessels in the retina of a mouse This image shows growing blood vessels in the retina of a mouse
electron microscope image of a diatom electron microscope image of a diatom
ovary histology slide ovary histology slide
This image shows a normal third-trimester fetal brain This image shows a normal third-trimester fetal brain
The allowable compressive bearing capacity of a soil is 8000 psf. What should be the length of ... The allowable compressive bearing capacity of a soil is 8000 psf. What should be the length of ...
A little part of textbook image A little part of textbook image
Video: Definition of heart rate

For a complete list of videos, visit our video library