the glass place on car headlights are simply glasses or they are lenses??
Asked by | 31st Oct, 2010, 12:00: AM
In torch, search light, head light of motor cars etc. , to obtain a parallel beam of light, the source of light ( i.e. the bulb) is placed at the focus of the concave mirror which acts as reflector.
We hope this clarifies your doubt.
Answered by | 31st Oct, 2010, 09:09: PM
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