Multiple choice

_________ is an example of a self-luminous body.

  1. Moon

  2. Electric lamp

  3. Candle

  4. Sun

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Self-luminous bodies produce their own light through internal processes like nuclear fusion. The Sun generates light internally. The Moon reflects sunlight. Electric lamps and candles produce light through external energy sources (electricity or combustion), not internal self-luminosity.