MCQ
Aheavy brass sphere is hung from a light spring and is set in vertical small oscillation with a period $T.$ The sphere is now immersed in a non-viscous liquid with a density $1/10\,th$ the density of the sphere. If the system is now set in vertical $S.H.M.,$ its period will be
  • A
    $(9/10)T$
  • B
    $(9/10)^2T$
  • C
    $(10/9)\, T$
  • $T$

Answer

Correct option: D.
$T$
d
$\mathrm{T}=2 \pi \sqrt{\frac{\mathrm{m}}{\mathrm{k}}}$

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