The minimum distance required between the source and the reflector so as to hear the echo in air is 1. 10 m 2. 17 m 3. 34 m 4. 50 m
The minimum distance required between the source and the reflector so as to hear the echo in air is
1. 10 m
2. 17 m
3. 34 m
4. 50 m
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1 Answers
The minimum distance required between the source and the reflector so as to hear the echo in air is
2. 17 m
6 views
Answered