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mash [69]
3 years ago
8

Which of the following is correctly describes a radio wave

Physics
2 answers:
Zigmanuir [339]3 years ago
3 0
AM radio has longer wavelength and lower frequency. "Short-wave" radio has shorter WL and higher FQ. Police walkie talkies have even shorter and higher. FM radio has even shorter and higher. Aircraft communication has even shorter and higher. TV has even shorter and higher. Cellular telephone has even shorter and higher. The radio waves is a microwave oven have even shorter and higher. Satellite TV signals into the dish on the garage have even shorter and higher.
stiv31 [10]3 years ago
3 0
Short and high 
long and low
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mixas84 [53]

Answer:

Like charges repel

Different charges attract

Explanation:

When particles of similar charges are brought together, they repel each other and increase the distance of separation. Repulsion occurs because both two electrons have negative electrical charge forcing their lines of force to repel. However, when particles of opposite charges are brought nearer to each other, they attract each other and reduce the distance of separation.

8 0
3 years ago
Which object represents a negatively charged particle? which object represents a positively charged molecule? which object repre
kari74 [83]

The answers to your questions are as written below:

  • The objects that represents a negatively charged particle is : Image B
  • The object that represents a positively charged molecule is : Image A
  • The object that represents an uncharged molecule is : Image C
  • The object the will not move when in an electric fied is : Image C

<h3>Different types of charges molecules</h3>

A negatively charged molecule move inwards when placed in an electric field while positively charged molecule placed in a electric field will move outwards the electric field.

A neutral/uncharged molecule will remains still when placd in an elctric field due to the absence of charges.

Hence we can concude that the answers to your questions are as listed above.

Learn more about electric charges :brainly.com/question/857179

#SPJ4

attached below is the missing image

8 0
2 years ago
Zeros that follow non-zero numbers and are also to the right of a decimal point are significant.
Ivenika [448]
Yes that's correct. Also zeros in between non-zero numbers are significant figures
5 0
3 years ago
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3 years ago
Positions of destructive interference on a standing wave are called .?
taurus [48]

The answer is; nodes


A standing wave occurs when two waves with the same properties moving in the opposite direction, in the same media, interfere with one another. Nodes are points where the waves interact destructively causing an appearance of the wave standing still.  The opposite of nodes is antinodes where they are points of maximum displacement due to constructive destruction.


5 0
3 years ago
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