NCERT · Class 7 · Science · LightWhich of the following is a natural source of light?
Step-by-Step Solution
The Sun is a natural source of light because it produces its own light through nuclear reactions, whereas a torch, candle, and electric bulb are man-made or artificial sources of light.
Detailed Options Breakdown
Option : Electric bulb
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Light.
Option 1: Sun (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Torch
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Light.
Option 3: Burning candle
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Light.
💡 Study Guide: This question tests core syllabus concepts from Light. For formulas, key summaries, and mock exam reference guides, read the full Light Revision Notes.