This topic contains a solution. Click here to go to the answer

Author Question: Which of these is a longitudinal wave A) sound B) light C) radio D) all of the above E) none ... (Read 80 times)

audragclark

  • Hero Member
  • *****
  • Posts: 579
Which of these is a longitudinal wave
 
  A) sound
  B) light
  C) radio
  D) all of the above
  E) none of the above

Question 2

Radio waves travel at the speed of light, 300,000 km/s. The wavelength of a radio wave received at 100 megahertz is
 
  A) 0.3 m.
  B) 3.0 m.
  C) 30 m.
  D) 300 m.
  E) none of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mbcrismon

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B



audragclark

  • Hero Member
  • *****
  • Posts: 579
Both answers were spot on, thank you once again



mbcrismon

  • Sr. Member
  • ****
  • Posts: 328

 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

For a complete list of videos, visit our video library