NCERT · Class 11 · Physics · OscillationsThe time period of a simple pendulum in a freely falling lift is:
Step-by-Step Solution
In a freely falling lift, the effective acceleration due to gravity $g_{eff} = g - g = 0$. Since $T = 2\pi \sqrt{\frac{L}{g_{eff}}}$, as $g_{eff} \to 0$, $T \to \infty$.
Detailed Options Breakdown
Option : Zero
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Oscillations.
Option 1: Infinite (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: 1 second
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Oscillations.
Option 3: 2 seconds
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Oscillations.
💡 Study Guide: This question tests core syllabus concepts from Oscillations. For formulas, key summaries, and mock exam reference guides, read the full Oscillations Revision Notes.