Author Question: Electromagnetic radiation of wavelength 2.5 cm is which type? A) microwaves B) AM-radio C) ... (Read 95 times)

fahad

  • Hero Member
  • *****
  • Posts: 570
Electromagnetic radiation of wavelength 2.5 cm is which type?
 
  A) microwaves
  B) AM-radio
  C) visible
  D) FM-radio
  E) ultraviolet

Question 2

You are riding in a spaceship that has no windows or other means for you to observe or measure what is outside. You wish to determine if the ship is stopped or moving at constant velocity. What should you do?
 
  A) You can determine if the ship is moving by determining the apparent velocity of light.
  B) You can determine if the ship is moving by checking your precision time piece. If its running slow, the ship is moving.
  C) You can determine if the ship is moving either by determining the apparent velocity of light or by checking your precision time piece. If its running slow, the ship is moving.
  D) You should give up because you have taken on an impossible task.



qytan

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

A

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

For a complete list of videos, visit our video library