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10.11.2019 •
Physics
a concave mirror is used as a
reflector ina torch light?
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Ответ:
A concave mirror is used as a torch reflector. ... When a light bulb is placed at the focus of a concave mirror reflector, the diverging light rays of the bulb are collected by the reflector. These rays are then reflected to produce a strong, parallel-sided beam of light.
Explanation:
Ответ:
Explanation:
The particles in solids are very close together. They are tightly packed, giving solids high densities.
The particles in gases are very far apart, so gases have a very low density.