Question

The brightness of a light is determined by ________.

1. air temperature

2. intensity of light waves

3. wavelength

4.wave speed

Answer 1

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`\: Answer :-`

2. Intensity of light waves.

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`⚡ \: Explantion :-`

The brightness of light is related to intensity or the amount of light an object emits or reflects.

Brightness depends on light wave amplitude, the height of light waves.

Brightness is also somewhat influenced by wavelength.

Yellow light tends to look brighter than reds or blues.