« previous next »

Author Question: Images of objects are formed by lenses because of a. refraction. b. diffraction. c. internal ... (Read 50 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
on: Jul 28, 2018
Images of objects are formed by lenses because of
 a. refraction.
  b. diffraction.
  c. internal reflection.
  d. all of these.

Question 2

Assume a gram of a substance marketed as Pure Energy is annihilated by a gram of a second substance Anti-Pure Energy. How long would the energy released power a city which uses 109 watts of power?
 a. 40 hrs
  b. 25 hrs
  c. 50 hrs
  d. 65 hrs
  e. 50000 hrs


tsternbergh47

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Charlie

  • Hero Member
  • *****
  • Posts: 640
Reply #2 on: Jul 28, 2018
TY


tsternbergh47

  • Sr. Member
  • ****
  • Posts: 311
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

DNA X-ray Diffraction DNA X-ray Diffraction
Catbirds and robins reject objects shaped similarly to cowbird eggs no more frequently than objects Catbirds and robins reject objects shaped similarly to cowbird eggs no more frequently than objects
The internal structures of the outer, middle, and inner ear. The internal structures of the outer, middle, and inner ear.
The brain. (a) Superior (top) view. (b) Sagittal view of a sectioned brain to reveal internal featur The brain. (a) Superior (top) view. (b) Sagittal view of a sectioned brain to reveal internal featur
Examples of the most common X-ray positions and the images they produce. Examples of the most common X-ray positions and the images they produce.
internal internal
Video: Dietary Cholesterol & LDL

For a complete list of videos, visit our video library