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Dima020 [189]
3 years ago
10

What is spontaneous emission?

Physics
2 answers:
Oxana [17]3 years ago
5 0

Answer:

Spontaneous emission is  a quantum effect, which in a semiclassical picture can be described as an emission which is stimulated by vacuum noise.

Irina-Kira [14]3 years ago
4 0

Spontaneous emission is the process in which a quantum mechanical system transits from an excited energy state to a lower energy state and emits a quantized amount of energy in the form of a photon. <em><u>definition from wikipedia </u></em>

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4 0
3 years ago
A total of 750 j of work was done when a force of 125 n was exerted on a box to move it. how far was the box moved?
Slav-nsk [51]
Work = Force times Distance
W = Fd

Given W = 750J, F = 125N;

750 = 125d

Solving for d:
d = 750/125
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The box moved a distance of 6 meters.
3 0
3 years ago
Which of the Materials are insulators? (select all that apply)
DENIUS [597]
I believe all the insulators would be glass, wood, plastic, and yarn.

But I’m not entirely sure if mechanical pencil lead is an insulator or conductor.

Hope this helps.
3 0
3 years ago
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