Question 24
A man stands in front of a tall wall and produces a sound. If he receives the echo of the sound two seconds later, calculate his distance from the wall. (The speed of sound in air is 330ms-1)
Objective
Question details
- Exam body
- WAEC
- Subject
- Physics
- Year
- 1993
- Question no.
- #24
- Type
- Objective
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