Midterm 3 Flashcards

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1
Q

What are traveling waves

A

-Consider a wave on a string
-When a wave pulse travels down the string
-Sound wave bounces off and comes back

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2
Q

What are standing waves

A

When both ends are secured…(like a guitar)
Waves keep reflecting off ends and you get
standing waves

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3
Q

When two traveling waves approach collide,
there is

A

superposition and interference

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4
Q

What is superposition

A

the combination of two waves at the same location

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5
Q

Two types of interference:

A

constructive and destructive

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6
Q

What is constructive interference

A

when 2 pulses interfere in a manner that makes the pulse larger

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7
Q

What is destructive interference

A

if 2 pulses are 180 degrees out of phase with each other, and interfere, and they destroy each other resulting in a line

if its not 180 degrees, there will be a shallow line

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8
Q

What conditions must be satisfied to get standing waves

A

-When both ends are secured…(like a guitar)
-Waves keep reflecting off ends and you get standing waves

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9
Q

What are antinodes

A

-Maximum constructive interference
-point of superposition

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10
Q
A
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