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

Author Question: An electron vibrating to and fro 1000 times per second generates an electromagnetic wave having a ... (Read 68 times)

RODY.ELKHALIL

  • Hero Member
  • *****
  • Posts: 591
on: Jul 29, 2018
An electron vibrating to and fro 1000 times per second generates an electromagnetic wave having a
 
  A) period of 1000 s.
  B) speed of 1000 m/s.
  C) wavelength of 1000 m.
  D) frequency of 1000 Hz.

Question 2

If a light signal and a radio signal were emitted simultaneously from the Moon, the first signal to reach Earth would be
 
  A) radio.
  B) light.
  C) both of these
  D) 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

cici

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C


RODY.ELKHALIL

  • Member
  • Posts: 591
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

ebonylittles

  • Member
  • Posts: 318
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

The electromagnetic spectrum The electromagnetic spectrum
Electron Microscope Images of a Diatom Electron Microscope Images of a Diatom
Scorpions, Spiders and Sharks: Electron-Microscope Images Scorpions, Spiders and Sharks: Electron-Microscope Images
An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution
16.23 Slow-Wave Sleep Deprivation 16.23 Slow-Wave Sleep Deprivation
A solution of CaCl2 with concentration of 5.5 M was diluted 10 times, 25 times and 3 times. ... A solution of CaCl2 with concentration of 5.5 M was diluted 10 times, 25 times and 3 times. ...
Video: Neuron structure and function - sensory neurons, association neurons & motor neurons

For a complete list of videos, visit our video library