High School Physics : High School Physics

Study concepts, example questions & explanations for High School Physics

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Example Questions

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Example Question #1 : Interference And Superposition

Two identical waves are superimposed with destructive interference. What will happen to the resulting wave? 

Possible Answers:

The two waves will pass through each other without problem.

It will be still. There will be no wave.

It will be half as large as each original wave.

It will be twice as large as each original wave.

Correct answer:

It will be still. There will be no wave.

Explanation:

When two waves are superimposed with destructive interference, they cancel each other out. Since these two waves are identical, they will completely cancel each other out and there will be no wave. It will be still.

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