NCERT · Class 7 · Science · Motion and TimeWhich of the following relies on the periodic motion of a simple pendulum?
Step-by-Step Solution
Traditional pendulum clocks work on the principle of the periodic motion of a simple pendulum, where each swing takes an equal amount of time to help measure time accurately.
Detailed Options Breakdown
Option : Sand clock
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Motion and Time.
Option 1: Pendulum clock (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Sundial
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Motion and Time.
Option 3: Digital watch
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Motion and Time.
💡 Study Guide: This question tests core syllabus concepts from Motion and Time. For formulas, key summaries, and mock exam reference guides, read the full Motion and Time Revision Notes.