Science, asked by Venunani7457, 1 year ago

in the experiment of verification of reflection of sound, the incident sound is directed along ___
(a) axis of tube.
(b) normal to the axis of the tube.
(c) at an angle of 30 from the axis of the tube.
(d) at an angle of 45 from the axis of the tube.

Answers

Answered by dhruvsh
9
(C) 30 degree from the axis of the tube.
Answered by alia20
8
in the experiment of verification of reflection of sound, the incident sound is directed along
an angle of 30 from the axis of the tube
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