챕터 3. 주파수
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Question 1 of 6
1. Question
주파수 4 kHz의 주기시간은?
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Question 2 of 6
2. Question
주기가 0.01초인 음파의 파장은 얼마인가?
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Question 3 of 6
3. Question
음속이란 소리가 공기 속에서 1초 동안 전달되는 속도를 말한다. 다음 중 올바른 공식은? (t = 온도)
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Question 4 of 6
4. Question
다음 중 음속(c), 주파수(f), 파장(λ)과의 관계를 나타내는 식으로 옳은 것은?
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Question 5 of 6
5. Question
기온이 20°C일 때 주파수가 500 Hz 음파인 파장은?
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Question 6 of 6
6. Question
음속이 340 m/s일 때 주파수 80 Hz의 파장으로 맞는 것은?
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