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Author Question: An electron vibrating to and fro 1000 times per second generates an electromagnetic wave having a ... (Read 74 times)

RODY.ELKHALIL

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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


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cici

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C


RODY.ELKHALIL

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Reply 2 on: Jul 29, 2018
Wow, this really help

gcook

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Reply 3 on: Yesterday
:D TYSM

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