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

Author Question: The focal length of the lens of a simple camera is 40.0 mm. How far must the lens be moved to change ... (Read 190 times)

jilianpiloj

  • Hero Member
  • *****
  • Posts: 521
on: Jul 29, 2018
The focal length of the lens of a simple camera is 40.0 mm. How far must the lens be moved to change the focus of the camera from a person 25 m away to one that is 4.0 m away?
 
  A) 0.2 mm
  B) 0.3 mm
  C) 0.4 mm
  D) 0.5 mm
  E) 0.7 mm

Question 2

When Niels Bohr was knighted for his contributions to physics, he chose for his coat of arms
 
  A) a model of the planetary atom.
  B) a rendition of an energy-level diagram.
  C) the yin-yang symbol of Eastern culture.
  D) none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Fayaz00962

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

Answer: C


jilianpiloj

  • Hero Member
  • *****
  • Posts: 521
Reply #2 on: Jul 29, 2018
Thanks


Fayaz00962

  • Sr. Member
  • ****
  • Posts: 330
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

(a) Longevity decreases with increased horn-length breeding value of harvested rams. (b) Mean-weight (a) Longevity decreases with increased horn-length breeding value of harvested rams. (b) Mean-weight
Relationship between fruit radius and beak length in populations of native and introduced species of Relationship between fruit radius and beak length in populations of native and introduced species of
Telomere length is related to the amount of time adults spend in leisure time activity. Source: Ada Telomere length is related to the amount of time adults spend in leisure time activity. Source: Ada
Measuring the Weight and Length of an Infant Measuring the Weight and Length of an Infant
The metric system specifies fasteners by diameter, length, and pitch. The metric system specifies fasteners by diameter, length, and pitch.
Transplantation of an extra stomach and length of intestine in a rat. Koopmans (1981) implanted an ... Transplantation of an extra stomach and length of intestine in a rat. Koopmans (1981) implanted an ...
Video: Structures that affect circulation - heart and MABP

For a complete list of videos, visit our video library