Examlex
When a mirror with a fixed beam on it is rotated through a certain angle, the reflected beam is rotated through an angle that is
Lungs
The primary organs of the respiratory system in humans and many animals, responsible for gas exchange between the air and the bloodstream.
Oxides of Nitrogen
Chemical compounds made of nitrogen and oxygen that are significant air pollutants, contributing to smog and acid rain.
Volatile Organic Compounds
Organic chemicals that easily vaporize at room temperature, can be sources of air pollution, and are often found in paints, cleaning supplies, and building materials.
Sunlight
The natural light emitted by the Sun, essential for photosynthesis in plants and influencing Earth's climate and weather.
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Q81: The explanation for refraction must involve a