« 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 111 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?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Lens Lens
A color-enhanced MRI image of the skull. A color-enhanced MRI image of the skull.
This image shows the spread of droplets from an uncovered sneeze. This image shows the spread of droplets from an uncovered sneeze.
Sheep Fiber Length (cm) vs Fleece Weight (kg) Sheep Fiber Length (cm) vs Fleece Weight (kg)
What volume of liquid would be dispensed by a P200 set to this volume? P200 Image 1.jpg What volume of liquid would be dispensed by a P200 set to this volume? P200 Image 1.jpg
PEDIGREE TO ANALYZE AND ANSWER IMAGE PLEASE PEDIGREE TO ANALYZE AND ANSWER IMAGE PLEASE
Video: Negative Feedback Regulation of Blood Pressure

For a complete list of videos, visit our video library