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

Author Question: A distance R away from a light source we observe which of the following for the electromagnetic ... (Read 37 times)

joblessjake

  • Hero Member
  • *****
  • Posts: 555
on: Jul 29, 2018
A distance R away from a light source we observe which of the following for the electromagnetic field it produces?
 
  A) Both the light intensity and the magnitude of the electric field drop as 1/R2.
  B) The light intensity drops as 1/R2, but the magnitude of the electric field drops as 1/R.
  C) Both the light intensity and the magnitude of the electric field drop as 1/R.
  D) The light intensity drops as 1/R, but the magnitude of the electric field drops as 1/R2.
  E) None of the previous answers is correct.

Question 2

Two similar objects are thrown simultaneously from the top of a building with the same speed. One is thrown vertically downward, and the other at an angle. Both objects reach the ground at the same time.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

hollysheppard095

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

FALSE


joblessjake

  • Member
  • Posts: 555
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

ultraflyy23

  • Member
  • Posts: 312
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

A comparison of electron and light microscope technologies A comparison of electron and light microscope technologies
This 1900 photograph of steel factories at night in Duquesne, near Pittsburgh, was tinted by hand. S This 1900 photograph of steel factories at night in Duquesne, near Pittsburgh, was tinted by hand. S
The biochemical reactions of near-infrared light The biochemical reactions of near-infrared light
Interactions of Light and Matter Interactions of Light and Matter
Light Light
A small 355-g box hangs from one end of a thin light string that goes over a frictionless ... A small 355-g box hangs from one end of a thin light string that goes over a frictionless ...
Video: Digestive chemicals - water, gastric acid, bile & bicarbonate

For a complete list of videos, visit our video library