1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
A tuning fork arrangement (pair) produces $$4$$ beats/sec with one fork of frequency $$288$$ $$cps.$$ A little wax is placed on the unknown fork and it then produces $$2$$ beats/sec. The frequency of the unknown fork is
A
$$286$$ $$cps$$
B
$$292$$ $$cps$$
C
$$294$$ $$cps$$
D
$$288$$ $$cps$$

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