Question 7
a man hears his echo from a nearby hill 2 seconds after he shouted. if the frequency of his voice is 260Hz and if the wavelength is 1.20m, how far away is the hill?
Objective
Question details
- Exam body
- UNIBEN
- Subject
- General Paper
- Year
- 2009/2010
- Question no.
- #7
- Type
- Objective
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