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(c) reflection of sound
(b) less than light
(a) echo
(d) soun
Echo is an example of
(c) reflection of sound
(c) reflection of sound
See lessVelocity of sound is
(b) less than light
(b) less than light
See lessReturning back of a sound after suffering reflections from a distant obstacle is called
(a) echo
(a) echo
See lessHertz is the unit of
(d) soun
(d) soun
See less