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

Author Question: When an object is 12 cm in front of a concave spherical mirror, the image is formed 3.0 cm in front ... (Read 74 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
on: Jul 29, 2018
When an object is 12 cm in front of a concave spherical mirror, the image is formed 3.0 cm in front of the mirror. What is the focal length of the mirror?
 
  A) 15 cm
  B) 4.0 cm
  C) 2.4 cm
  D) 1.3 cm

Question 2

A concave spherical mirror with a radius of curvature of 20 cm creates a real image 30 cm from the mirror. How far is the object from the mirror?
 
  A) 20 cm
  B) 15 cm
  C) 7.5 cm
  D) 5.0 cm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zacnyjessica

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

B


krzymel

  • Member
  • Posts: 548
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Image of a flower petal. Image of a flower petal.
Palette of King Narmer (front), Hierakonpolis, Upper Egypt. Palette of King Narmer (front), Hierakonpolis, Upper Egypt.
These photos show a rat burying a test object from which it has just received a single mild shock. These photos show a rat burying a test object from which it has just received a single mild shock.
Cold front Cold front
Front Panel on Sound Box of the Great Lyre with Bull’s Head Front Panel on Sound Box of the Great Lyre with Bull’s Head
HELP WITH IMAGE PLEASE HELP WITH IMAGE PLEASE
Video: Leukemia

For a complete list of videos, visit our video library