Author Question: A camera has a lens that has an adjustable film distance used for focusing purposes. When the object ... (Read 94 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?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

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?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

For a complete list of videos, visit our video library