CBSE · Class 7 · Science · Motion and TimeWhat is the basic unit of speed?
Step-by-Step Solution
The basic unit of speed is metre per second (m/s). Since speed is calculated as distance divided by time, and the standard unit of distance is metre while that of time is second, the combination gives metre per second as the fundamental SI unit for speed.
Detailed Options Breakdown
Option : Kilometre per hour (km/h)
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Motion and Time.
Option 1: Metre per minute (m/min)
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Motion and Time.
Option 2: Metre per second (m/s) (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: Kilometre per second (km/s)
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.