« previous next »

Author Question: A camera has a lens that has an adjustable film distance used for focusing purposes. When the object ... (Read 86 times)

Mr.Thesaxman

  • Hero Member
  • *****
  • Posts: 514
on: Jul 28, 2018
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
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

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.

Mars's average distance from the Sun is roughly 230 million km (1.5 AU) and its orbital period Mars's average distance from the Sun is roughly 230 million km (1.5 AU) and its orbital period
Using Parallax to Determine Distance Using Parallax to Determine Distance
Object and Word Recognition After Midsegments of Lines Have Been Eliminated Object and Word Recognition After Midsegments of Lines Have Been Eliminated
Major trunk lines carrying long-distance traffic crisscrossed the area east of the Mississippi. The Major trunk lines carrying long-distance traffic crisscrossed the area east of the Mississippi. The
Lens accommodate Lens accommodate
Nontraditional Gender Representation in Film Nontraditional Gender Representation in Film
Video: Pasteur's Experiment

For a complete list of videos, visit our video library