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

Author Question: The source of magnetism is a. polarization. b. magnetic monopoles. c. electrons. d. ... (Read 22 times)

PhilipSeeMore

  • Hero Member
  • *****
  • Posts: 561
on: Jul 28, 2018
The source of magnetism is
 a. polarization.
  b. magnetic monopoles.
  c. electrons.
  d. protons.

Question 2

A concave mirror has a focal length of 20 cm. What is the magnification if the object and image distances are 10 cm and 20 cm respectively?
 a. 1
  b. 2
  c. 1/2
  d. 1/4
  e. 1/2


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

gabrielle_lawrence

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

b


PhilipSeeMore

  • Member
  • Posts: 561
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

marict

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Magnetic resonance imaging (MRI). The MRI lab includes the scanning instrument and a computer statio Magnetic resonance imaging (MRI). The MRI lab includes the scanning instrument and a computer statio
The magnetic field of Uranus as observed by Voyager 2 in 1986. S and N are magnetic south and north The magnetic field of Uranus as observed by Voyager 2 in 1986. S and N are magnetic south and north
Analogy for How Magnetic Field Strengths Increase Analogy for How Magnetic Field Strengths Increase
Young adults increase in self-esteem between the ages of 18 and 25, according to this longitudinal s Young adults increase in self-esteem between the ages of 18 and 25, according to this longitudinal s
Play in Four Cultures Across cultures, play is the most common activity in early childhood. Source: Play in Four Cultures Across cultures, play is the most common activity in early childhood. Source:
In The Gross Clinic (1875), by Thomas Eakins, Professor Samuel Gross’s team of surgeons cuts through In The Gross Clinic (1875), by Thomas Eakins, Professor Samuel Gross’s team of surgeons cuts through
Video: Ventilation - phases and driving forces

For a complete list of videos, visit our video library