By which a sound is reflected from a distance of at least 17m (approx) . . . . . . . . happens.
A. echo space
B. refraction
C. echo
D. reflection
Answer: Option C
This Question Belongs to Physics GK Chapter Wise >> Sounds Waves And Motion
Related Questions on Sounds waves and Motion
Which of the following substances will have the lowest speed of sound?
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A. 20Hertz to 2000 Hertz
B. 20Hertz to 200Hertz
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D. 2 Hertz to 2000 Hertz
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A. On land
B. In air
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