1) what is lambda and time period??
2) Difine ultra sound and infra sound .give examples??
3) Difine echo??
4) What is reverberation??
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Explanation:
Chapter 12 : Sound - Intellify
What are wavelength, frequency, time period and amplitude of a sound ... Give two practical applications of reflection of sound waves. ... Speed of sound wave at 25° C, VAl = 6420 ms- 1
Missing: lambda | Must include: lambda
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