Professions Part 4 Answers

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22
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Charina says that when waves interact with an object, they will interfere with the object, and that when waves interact with other waves, they will reflect off each other. Do you agree with her? Why or why not?

Answer:

I disagree with Charina because she has the concepts reversed. When waves interact with other waves, they interfere with each other (constructive or destructive interference). When waves interact with an object and bounce off of it, they reflect.

23

Which part of the wave is changed when there is interference?

A
the amplitude
B
the crest
C
the trough
D
the wavelength
24

What did you include in your response? Check all that apply.

A
The diagram of the resulting wave does not demonstrate destructive interference.
B
With destructive interference, waves break each other down to form a smaller wave, or cancel each other out, resulting in no wave formation.
C
No wave formation is represented by a horizontal line.
25

What is occurring when a light wave goes through a pane of glass in a window?

A
absorption
B
transmission
C
constructive interference
D
destructive interference
26

What is the purpose of a savings account?

A
to keep money now to be used later
B
to avoid the need for a budget
C
to prioritize spending
D
to pay for fixed expenses
27

What did you include in your response? Check all that apply.

A
When waves interact with other waves, interference occurs.
B
When a wave hits an object and bounces off it, reflection occurs.
31

What will occur when the trough of Wave A overlaps the trough of Wave B?

A
Destructive interference will occur, causing the new wave to have more energy than Wave A or Wave B.
B
Constructive interference will occur, causing the new wave to have more energy than Wave A or Wave B.
C
Destructive interference will occur, causing the new wave to have less energy than Wave A or Wave B.
D
Constructive interference will occur, causing the new wave to have less energy than Wave A or Wave B.
32

Pierce conducts an experiment in which waves collide in a way that the energy increases. What has occurred?

A
refraction
B
reflection
C
constructive interference
D
destructive interference
33

Amir observes Wave 1 and Wave 2 crashing into each other at two different intervals. His experiments produce Wave 3 and Wave 4. Amir records his data in a table.

Question illustration
A
Wave 3 resulted from destructive interference, and Wave 4 resulted from constructive interference.
B
Waves 3 and 4 resulted from constructive interference.
C
Waves 3 and 4 resulted from destructive interference.
D
Wave 3 resulted from constructive interference, and Wave 4 resulted from destructive interference.
35

Which refers to the passing of a wave through an object?

A
sound
B
interference
C
transmission
D
frequency
36

Hans observed properties of four different waves and recorded observations about each one in his chart.Which statement is best supported by the table?

Question illustration
A
Wave W is being reflected, Wave X is being refracted, and waves Y and Z are being diffracted.
B
Wave X is being diffracted, Wave Z is being reflected, and waves Y and W are being refracted.
C
Wave X is being reflected, Wave Z is being refracted, and waves Y and W are being diffracted.
D
Wave W is being diffracted, Wave X is being reflected, and waves Y and Z are being refracted.

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