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Subjects
Science CBSE
Class 9
Sound
Textbook based HOTS II
46.
Multiple choice question XLVI
Exercise condition:
2
m.
A boy standing between two cliffs claps and hears
2\ echoes
after
2\ s
and
2.5\ s
respectively. If the velocity of sound is
330\ ms^{−1}
, find the distance between the two cliffs:
274.5\ m
412.5\ m
330\ m
742.5\ m
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