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13. oscillations — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysics13. oscillations1 Mark
MCQ
A simple pendulum is suspended in a car. The car starts moving on a horizontal road according to equation  $x\, = \,\frac{g}{2}\,\sqrt 3 {t^2}$. Find the time period of oscillation of the pendulum.
  • A
    $2\pi \sqrt {\frac{l}{g}} $
  • ✓
    $\pi \sqrt {\frac{2l}{g}} $
  • C
    $2\pi \sqrt {\frac{l}{8g}} $
  • D
    $2\pi \sqrt {\frac{l}{g\sqrt 3}} $
✓

Answer

Correct option: B.
$\pi \sqrt {\frac{2l}{g}} $
b

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