Which One of the Following Superpositions Will Result in Beats

question 48

Multiple Choice

Which one of the following superpositions will result in beats?

• A)the superposition of waves that travel with different speeds
• B)the superposition of identical waves that travel in the same direction
• C)the superposition of identical waves that travel in opposite directions
• D)the superposition of waves that are identical except for slightly different amplitudes
• E)the superposition of waves that are identical except for slightly different frequencies

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