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VITEEE 2022
MCQ (Single Correct Answer)
+4
-1
A person is standing at some point between two parallel cliffs (not exactly at the centre). He claps, and hears two echoes: the first after $$1 \mathrm{~s}$$ and the second after $$2 \mathrm{~s}$$. If the speed of sound in air is $$330 \mathrm{~m} / \mathrm{s}$$, the distance between the two cliffs is
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