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Norma-Jean [14]
3 years ago
5

Poderiam me ajudar? A pergunta está na foto

Physics
1 answer:
Lemur [1.5K]3 years ago
5 0

Answer all bout the matter

Explanation:

your

welcome

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Is energy absorbed or given off when an electron and a hole of a semi-conductor crystal
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Answer:

i have no clue XD

Explanation:

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4 years ago
The material in which a wave travels is called ____.
jeyben [28]
   The material in which a wave travels is called a medium. Hope this helps!
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Metodo medible que no altera la composicion quimica de la materia o cuerpo?
SCORPION-xisa [38]

Answer:

Las propiedades físicas, como la dureza y el punto de ebullición, y los cambios físicos, como la fusión o la congelación, no implican un cambio en la composición de la materia.

Explanation:Creo que es correcta

3 0
3 years ago
Two resistors, A and B, are connected in a series circuit with a battery. The resistance of A is twice that of B. Which resistor
IgorC [24]

Answer:

A dissipates more power.

Explanation:

  • In a series circuit, the current is the same at any point in it.
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        P = I^{2} * R

  • So, for a given current, the power is directly proportional to the resistance of the resistor.
  • In this case, as resistor A has twice the resistance of resistor B, A dissipates twice more power than B.
8 0
4 years ago
Sort the sentences based on whether they describe radio waves, visible light waves, or both.
valentina_108 [34]

The electromagnetic spectrum includes a continuous spectrum of wavelengths that include:

Radio waves, microwaves, infrared light, visible, ultraviolet, X-rays, gamma rays

The wavelength decreases from radio waves to gamma rays, whereas the energy increases along the same direction.

In the given example, radio waves have a lower energy and higher wavelength than visible light. The latter can be perceived by the human eye, whereas radio waves are not visible to the human eye.

1) They have colors = visible light

2) They can travel in a vacuum  = both

3) They have energy = both

4) They’re used to learn about  dust and gas clouds = radio waves

5) They’re used to find the  temperature of stars  = visible light

6)They’re invisible = radio waves

6 0
4 years ago
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