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

Author Question: Which one of the following is normally not a characteristic of a simple two-lens refracting ... (Read 20 times)

j.rubin

  • Hero Member
  • *****
  • Posts: 557
on: Jul 29, 2018
Which one of the following is normally not a characteristic of a simple two-lens refracting astronomical telescope?
 
  A) The final image is virtual.
  B) The final image is inverted.
  C) The angular size of the final image is larger than that of the object.
  D) The objective forms a virtual image.

Question 2

How much energy is transported across a 1.00-cm2 area per hour by a sinusoidal electromagnetic wave whose electric field has a maximum strength of 30.4 V/m?
 
  (0 = 8.85  10-12 C2/N  m2, 0 = 4  10-7 T  m/A, c = 3.0  108 m/s)
  A) 0.44 J B) 0.44 mJ C) 0.44 nJ D) 0.44 J


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kthug

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

A


j.rubin

  • Member
  • Posts: 557
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

Dnite

  • Member
  • Posts: 297
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

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

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Simple overview of photosynthesis Simple overview of photosynthesis
Hartmann's mountain zebra resting, showing its characteristic essentially unbarred belly Hartmann's mountain zebra resting, showing its characteristic essentially unbarred belly
Simple Stain Simple Stain
Prokaryotic cells are have a relatively simple structure Prokaryotic cells are have a relatively simple structure
How to reduce simple ratios How to reduce simple ratios
Chromatin states, gene content, and characteristic histone modifications Chromatin states, gene content, and characteristic histone modifications
Video: What are Taste Receptors? How Does it Work? Animation

For a complete list of videos, visit our video library