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Angelina_Jolie [31]
4 years ago
14

What is latent heat? Group of answer choices Energy released when water evaporates. Energy hidden in water vapor in the air. Ene

rgy stored in rocks and ice. Energy absorbed or hidden when water evaporates. Energy given off by the Sun.
Physics
1 answer:
Andrews [41]4 years ago
7 0

Answer:

Energy absorbed or hidden when water evaporates

Explanation:

The heat that is required to make a phase change is known as latent heat.

A phase change occurs when matter changes state. For example from solid to liquid, from liquid to gas, among others.

When changing from liquid to gas (for example when water evaporates), the heat necessary for this to happen is called latent heat of vaporization. The word latent means hidden, because a change in temperature is not perceived during the phase change, even when heat is being added, thus it is said that the heat is hidden or latent.

So the answer is:

  • Energy absorbed or hidden when water evaporates.

*Another type of latent heat is the latent heat of fusion, which is when a solid becomes liquid.

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A light ray in glass (n=1.5) hits the air-glass interface at an angle of 10 degrees from the normal. What angle from the normal
jekas [21]

Answer:

The angle from the normal is 15.1°.

Explanation:

We can find the angle by using Snell's law:

n_{1}sin(\theta_{1}) = n_{2}sin(\theta_{2})

Where:

n₁: is the first medium (glass) = 1.5

n₂: is the second medium (air) = 1.0

θ₁: is the first angle (in the glass) = 10°

θ₂: is the second angle (in the air) =?

\theta_{2} = arcsin(\frac{n_{1}sin(\theta_{1})}{n_{2}}) = arcsin(\frac{1.5*sin(10)}{1.0}) = 15.1 ^{\circ}

Therefore, the angle from the normal is 15.1°.

I hope it helps you!        

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I believe it’s A C F
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A circuit contains four capacitors in parallel (10 F, 3 F, 7 F, and 1 F). What is the equivalent capacitance of this circuit?
goldfiish [28.3K]

The equivalent capacitance of this circuit is = 21F. That is option A.

<h3>Calculation of the equivalent capacitance</h3>

When capacitors are connected together in parallel the total or equivalent capacitance, CT in the circuit is equal to the sum of all the individual capacitors added together.

The four capacitors are 10 F, 3 F, 7 F, and 1 F.

Therefore the equivalent capacitance = 10 + 3 + 7 + 1=21F

Learn more about capacitance here:

brainly.com/question/13578522

#SPJ1

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