Wave Interactions

Question 1

A lens focuses light at a single point called the focal point.

Revolt · Accepted Answer

refraction

Question 2

Study the image below.What interaction causes the water to spread as they pass through the rock opening?

Revolt · Accepted Answer

diffraction

Question 3

What is the purpose of a rearview mirror in a car?

Revolt · Accepted Answer

The mirror allows the light to be reflected so the objects behind the car can be seen.

Question 4

Which is the best example of the wave phenomenon called transmission?

Revolt · Accepted Answer

A street is seen through a window.

Question 5

When two waves are in sync with each other and occupy the same place at the same time, how is the resulting wave determined?

Revolt · Accepted Answer

by adding the amplitude of the two waves

Question 6

absorbedtransmittedreflectedrefracted

Revolt · Accepted Answer

absorbed

Question 7

Two wave pulses move toward each other along a rope.

Revolt · Accepted Answer

A triangular crest.

Question 8

When a DVD is played, a laser light hits the surface of the disk and then returns to the detector.

Revolt · Accepted Answer

reflection

Question 9

If a soundproof door is almost shut but still leaves a small opening, what wave phenomenon is responsible for someone being able to hear sound from the room while standing by the wall to the side of the opening?

Revolt · Accepted Answer

diffraction

Question 10

Consider this image of a wave.

Revolt · Accepted Answer

A graph with time in second on the x axis from 0 to 8 and amplitude on the y axis from 2 to 2. The wave starts at the origin and the trough goes down to 2, back up through 1s and all the way up to .7 before going back down to .2 on the other side of the x axis. Then back up to .3 on the other side of the x axis. The pattern repeats itself but flipped on the x axis

Wave Interactions Answers

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