This topic contains a solution. Click here to go to the answer
« previous next »

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 44 times)

WWatsford

  • Hero Member
  • *****
  • Posts: 539
    • Biology Forums!
on: Jul 28, 2018
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
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

B


WWatsford

  • Member
  • Posts: 539
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Effect of changing a set point for hypothalamic values Effect of changing a set point for hypothalamic values
Annual Mean Number of Days with Thunder Annual Mean Number of Days with Thunder
Fossil fuel emissions and climate change Fossil fuel emissions and climate change
Changing Patterns of Climate:Hurricanes Changing Patterns of Climate:Hurricanes
Capital-Biased Technological Change Capital-Biased Technological Change
Number line (real numbers) Number line (real numbers)
Video: Stretch reflex & Tendon reflex

For a complete list of videos, visit our video library