Author Question: A camera has a lens that has an adjustable film distance used for focusing purposes. When the object ... (Read 124 times)

Mr.Thesaxman

  • Hero Member
  • *****
  • Posts: 514
A camera has a lens that has an adjustable film distance used for focusing purposes. When the object being photographed is at a very large distance, the distance from the lens to the film is 50.0 mm. What would be the lens-to-film distance for an in-focus object 2.00 m from the camera?
 a. 66.7 mm
  c. 51.3 mm
  b. 40.0 mm
  d. 48.8 mm

Question 2

The pupil of the eye increases in size under which condition?
 a. object viewed is well illuminated
  b. eye is focused on a nearby object
  c. object viewed is dimly illuminated
  d. eye is focused on a distant object



cdmart10

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

C

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

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

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

For a complete list of videos, visit our video library