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Darina [25.2K]
2 years ago
13

What two things must occur in order for a light ray to refract when it strikes

Chemistry
1 answer:
Ann [662]2 years ago
3 0

Answer:

When light passes from one transparent medium to another, the rays are bent toward the surface normal if the speed of light is smaller in the second medium than in the first. The rays are bent away from this normal if the speed of light in the second medium is greater than in the first.

Explanation:

pls make me brainliest

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Which of these electron transitions correspond to absorption of energy and which to emission?
Keith_Richards [23]

The electron transitions representing absorption of energy are:

(a) n = 2 to n = 4

(d) n = 3 to n = 4

and those which represents emissions of energy are:

(b) n = 3 to n = 1

(c) n = 5 to n = 2

An electron emits energy when it jumps from a higher energy level to a lower energy level transitions.

An electron absorbs energy to jump from a lower energy level to a higher energy level transitions.

(a) n = 2 to n = 4

Here, the initial level (2) is lower than the final level (4).

Hence energy is absorbed.

(b) n = 3 to n = 1

Here, the initial level (3) is higher than the final level (1).

Hence energy is released.

(c) n = 5 to n = 2

Here, the initial level (5) is higher than the final level (2).

Hence energy is released.

(d) n = 3 to n = 4

Here, the initial level (3) is lower than the final level (4).

Hence energy is absorbed.

The question is incomplete. Find the complete question here:

Which of these electron transitions correspond to absorption of energy and which to emission?

(a) n = 2 to n = 4

(b) n = 3 to n = 1

(c) n = 5 to n = 2

(d) n = 3 to n = 4

Learn more about electron transitions at brainly.com/question/2079874

#SPJ4

4 0
1 year ago
How to balance this equation KClO4 → KCl + ?O2(g) and what type of reaction occurs?
Ivahew [28]

Explanation:

here is the answer to your question

7 0
3 years ago
Fundamental differences in the cell, the basic unit of life, allow for broadest classification of all living organisms into thre
Nana76 [90]

Answer:

C

Explanation:

7 0
3 years ago
Explain why spent nuclear fuel rods have to be treated as hazardous waste.
mojhsa [17]
Technically it's not such a waste anymore but it is dangerous chemicals that could kill others around it. 

Let me know if you need additional help in private message.

-GeVontae The Brainly team.
3 0
2 years ago
Read 2 more answers
What is the density of an object that has a mass of 62.4grams and a volume of7.6cm^3?
Monica [59]

Answer:

<h3>The answer is 8.2 g/cm³</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass = 62.4 g

volume = 7.6 cm³

We have

density =  \frac{62.4}{7.6}  \\  = 8.2105263157...

We have the final answer as

<h3>8.2 g/cm³</h3>

Hope this helps you

5 0
3 years ago
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