This topic contains a solution. Click here to go to the answer

Author Question: Changing the f-number of a camera by two stops by going from f/16 to f/8 will change the intensity ... (Read 37 times)

WWatsford

  • Hero Member
  • *****
  • Posts: 539
    • Biology Forums!
Changing the f-number of a camera by two stops by going from f/16 to f/8 will change the intensity of the light hitting the film by a factor of:
 a. 4.
  c. 1/4.
  b. 1/2.
  d. 2.

Question 2

A camera uses a:
 a. diverging lens to form an imaginary image.
  b. converging lens to form a real image.
  c. converging lens to form an imaginary image.
  d. diverging lens to form a real image.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lucas dlamini

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

A

Answer to Question 2

B




WWatsford

  • Member
  • Posts: 539
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)


gcook

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

For a complete list of videos, visit our video library