Which of the following

Options: is one natural source and one artificial source of light?

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Sun and torch

Star and Electric bulb

Lighting and candle

All of the above

answer is D.

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Detailed Solution

Sun and torch, Star and Electric bulb, Lighting and candle one natural source and one
artificial source of light
A source of light that comes from a natural source is one that was created by nature alone, unaided by human activity. Natural light sources can come from an inanimate object or a living organism such as sun, stars, lightning, jellyfish, fireflies etc. A thing that can emit light radiation or energy into the environment is referred to as a light source. The two main categories of light sources are natural sources of light and artificial, or man-made, sources of light. Artificial light sources are typically defined as those created artificially and can emit light on their own. Artificial light sources are electric bulbs, torches, oil lamps, fluorescent tubes, and candles.

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