« previous next »

Author Question: Electromagnetic radiation of wavelength 2.5 cm is which type? A) microwaves B) AM-radio C) ... (Read 100 times)

fahad

  • Hero Member
  • *****
  • Posts: 570
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

The Atmosphere Screens Earth from Harmful Solar Radiation The Atmosphere Screens Earth from Harmful Solar Radiation
Label the four mutated DNA segments shown below according to the type of point mutation each ... Label the four mutated DNA segments shown below according to the type of point mutation each ...
L-type calcium channel: (a) Calcium channel opens when an action potential passes across the ... L-type calcium channel: (a) Calcium channel opens when an action potential passes across the ...
Changes in Radiation-Absorbing Gases Changes in Radiation-Absorbing Gases
The Electromagnetic Spectrum The Electromagnetic Spectrum
Video: Chemical Changes

For a complete list of videos, visit our video library