JEE Advanced 2020 Full Test 1 Paper 2

Question : 11 of 54

Marks: +1, -0

Two speakers are placed as shown in the figure below. Mark the correct statement(s).

if a person is moving along AB, he will hear sound loud, faint, loud and so on.
if a person moves along CD, he will hear sound loud, faint, loud and so on.
if a person moves along AB, he will hear maximum intensity sound which will continuously keep on decreasing
if a person moves along CD, he will hear uniform intense sound.

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