MHT CET 2026 Physics question
A rectangular block of mass 'm' and cross-sectional area 'A' floats on a liquid of density ''. It is given a small vertical displacement from equilibrium, it starts oscillating with frequency (g=acceleration due to gravity)
Answer: (C)
Solution
If the block is pushed down a small distance , the extra buoyant force equals the weight of the extra liquid displaced, , acting upward. So the restoring force is , which is of the form with . This is S.H.M. with angular frequency \sqrt{\dfrac{k}{m}}$ =
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