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Oscillations — Physics STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 SciencePhysicsOscillations1 Mark
MCQ
A seconds pendulum is placed in a space laboratory orbiting round the earth at a height ' $3 R$ ' from the earth's surface. The time period of the pendulum will be ( $R=$ radius of earth)
  • A
    zero
  • B
    $\frac{2}{3} s$
  • C
    $4 s$
  • ✓
    infinite.
✓

Answer

Correct option: D.
infinite.
(d) : In laboratory $g_{\text {eff }}=0$
$
\therefore \quad T=2 \pi \sqrt{\frac{L}{g_{\text {eff }}}}=2 \pi \sqrt{\frac{L}{0}}=\infty
$

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