SHMHard
Question
The bob of a simple pendulum executes simple harmonic motion in water with a period t, while the period of oscillation of the bob is t0 in air. Neglecting frictional force of water and given that the density of the bob is 
× 1000 kg/m3. What relationship between t and t0 is true?
× 1000 kg/m3. What relationship between t and t0 is true?Options
A.t = t0
B.t = t0/2
C.t = 2t0
D.t = 4t0
Solution
T= √l/geff (geff. = (ρ′−ρ0)/ρ′
⇒
or, T = 2T0
⇒
or, T = 2T0
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