IGCSE /Grade 5
Science MCQ Based On Light intensity
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IGCSE Grade 5 Science Light intensity
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The light spreads out over a larger area as it travels, which means that the same amount of light energy is distributed over a larger area.
The speed of light is a fundamental constant of the universe.
The range of light levels can vary widely depending on the environment and the intended use of the space.
Another word for light is luminous
Violet carry carry more energy per photon.
Fundamental quantity in SI units f system
Brighter light has a higher intensity and therefore carries more energy than dimmer light.
A photometer is an instrument that detects and measures the amount of light in a specific area.
Use a illuminance meter to measure
Watt is unit of power
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