Question

A bottle weighing 220g and of are of cross section 50 centimetersq, and height 4 cm oscillates on the surface of water in vertical position. Its frequency of oscillation in water in vertical position. It's frequency of oscillation is
(1) 1.5 Hz
(2) 2.5 Hz
(3) 3.5 Hz
(4) 4.5 Hz

Answer 1

Explanation:

2 is the only right answer

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