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Fed [463]
2 years ago
7

Suppose that light travels from water to another substance, with an angle of Incidence of 10.0º and an angle of refraction of 14

.9º . (a) What is the
index of refraction of the other substance? (b) What is unreasonable?
about this result? (c) Which assumptions are unreasonable or
inconsistent?
Mathematics
1 answer:
SVEN [57.7K]2 years ago
4 0

The index of the refraction is 0.898 and the index of the refraction is less than one which is unreasonable because the speed of the light can't be more than c.

<h3>What is refraction?</h3>

The phenomenon bending of a wave as it crosses from one medium to another is said to be refraction. The difference in density is the cause of the bending.

Refraction is a term that is used to describe the phenomenon of refraction."The change in direction of a wave traveling through one medium to another is known as refraction."

From the Snell's law:

nsinФ = n'sin∅

We have n' = 1.33, ∅ = 10.0°, Ф = 14.9°

nsin110.0° = 1.33×sin14.9°

n = 0.898

Because the speed of light cannot be greater than c, the index of refraction is less than one, which is illogical.

It is illogical to assume that the angle of refraction is excessively large in relation to the angle of incidence.

Thus, the index of the refraction is 0.898 and the index of the refraction is less than one which is unreasonable because the speed of the light can't be more than c.

Learn more about the refraction here:

brainly.com/question/17156275

#SPJ1

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What's the circumference of a circle with radius of 18 in. Leave answer in terms of pie
Verdich [7]
We Know, Circumference of Circle = 2πr
Here, r = 18
Substitute it in to the expression,
C = 2π(18) = 36π

So, your final answer is 36π

Hope this helps!
7 0
3 years ago
WILL GIVE BRAINLIEST AND 25 POINTS!<br> Evaluate 8 [1/4]<br> A. 0<br> B. 1<br> C. 2<br> D. 3
Leokris [45]

Answer:

2

Step-by-step explanation:

4×2 (1/4)

The 4 would cancel out to give

2 (1/1) =2

8 0
3 years ago
Read 2 more answers
Luiza wants to go on a popular talent TV show. In order to be accepted, her audition must get at least 60%
Elena-2011 [213]

We cannot reject the null hypothesis as the p value is less than 0.01.

<h3>How to illustrate the hypothesis?</h3>

From the information given, Luiza wants to go on a popular talent TV show and in order to be accepted, her audition must get at least 60% positive votes from the people in the crowd.

The observed outcome also has a probability less than 1% under the tested hypothesis. Based on the information, the test statistic will be - 1.58.

After this, this will be checked under the standard normal distribution table where the p value will be 0.0571.

Based on this information, we cannot reject the null hypothesis as the p value is less than 0.01.

In conclusion, the correct option is that we cannot reject the hypothesis.

Learn more about hypothesis on:

brainly.com/question/25263462

#SPJ1

3 0
2 years ago
Point A is at (-7,5) and point B is at (7,3) what is the midpoint
AleksandrR [38]

Answer:

The midpoint between A(-7, 5) and B (7, 3) is: (0, 4)

Step-by-step explanation:

Given the points

  • A (-7, 5)
  • B (7, 3)

Determining the midpoint between A(-7, 5) and B (7, 3)

M.P_{AB\:}=\:\:\left(\frac{x_2+x_1}{2},\:\:\frac{y_2+y_1}{2}\right)

\left(x_1,\:y_1\right)=\left(-7,\:5\right),\:\left(x_2,\:y_2\right)=\left(7,\:3\right)

             =\left(\frac{7-7}{2},\:\frac{3+5}{2}\right)

             =\left(0,\:4\right)

Therefore, the midpoint between A(-7, 5) and B (7, 3) is: (0, 4)

8 0
3 years ago
15x—3y=12<br> Y=5x—4<br><br> 4x—y=-4<br> -8x+2y=2
fredd [130]
15x-3y=12
<u>y=5x—4
</u>I'm also not sure what your question is, but this is what I got by solving it like a regular equation.

15x-3(5x-4)=12
15x-15x+12=12
0=12-12
0=0

4x-y=-4
<span><u>-8x+2y=2</u>
</span>
-y=-4-4x /: (-1)
y=4+4x

-8x+2y=2
-8x+2(4+4x)=2
-8x+8+8x=2
0=-6
6 0
3 years ago
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