« previous next »

Author Question: The radiation source closest to us originates in A) medical treatments. B) all kinds of power ... (Read 53 times)

viki

  • Hero Member
  • *****
  • Posts: 525
on: Jul 29, 2018
The radiation source closest to us originates in
 
  A) medical treatments.
  B) all kinds of power plants.
  C) our own bodies.
  D) none of the above

Question 2

The focal lengths of the objective and eyepiece in a compound microscope are 0.50 cm and 2.00 cm, respectively. An object is placed at a distance of 0.52 cm from the objective.
 
  If the final image seen by the eye is at a distance of 25 cm from it, what is the magnification? A) -125
  B) -100
  C) -225
  D) -325
  E) -425


cuttiesgirl16

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

Answer: C

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

viki

  • Hero Member
  • *****
  • Posts: 525
Reply #2 on: Jul 29, 2018
Thanks


cuttiesgirl16

  • Sr. Member
  • ****
  • Posts: 345
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Adaptive radiation in stickleback fish. Adaptive radiation in stickleback fish.
Electromagnetic Radiation Electromagnetic Radiation
The medical assistant handles an emergency. The medical assistant handles an emergency.
The medical assistant holds the position of the thermometer while the temperature is being obtained. The medical assistant holds the position of the thermometer while the temperature is being obtained.
A medical assistant labels the allergens for a patch test. A medical assistant labels the allergens for a patch test.
Medical assistant shaking hands with the interviewer at the close of the interview. Medical assistant shaking hands with the interviewer at the close of the interview.
Video: Pasteur's Experiment

For a complete list of videos, visit our video library