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A.
A teacher shouting at the top of his lungs emits about 1.0 W of energy as sound waves. Match the answers with questions.
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B.
A teacher shouting at the top of his lungs emits about 1.0 W of energy as sound waves. Student A is standing 2.0 m away. Student B is standing 20 m away. Compare the sound intensity at these two locations.
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100I1 = I2 |
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I1 = I2 |
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10I1 = I2 |
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I1 = 10I2 |
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I1 = 100I2 |
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none of the given |
C.
A teacher shouting at the top of his lungs emits about 1.0 W of energy as sound waves. Student A is standing 2.0 m away. Student B is standing 20 m away. Compare the sound intensity level at these two locations.
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β1 = 100β2 |
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β1 = β2 |
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100β1 = β2 |
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β1 = 10β2 |
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none of the given |
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10β1 = β2 |
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