Physics
Grade-10
Easy
Question
The concave mirror is used in headlights and torches as reflectors to direct the light rays parallel to each other. For this purpose, to be met fully, the light should be placed at the _____ of the mirror.
- Focus
- Center of curvature
- Pole
- Behind the center of curvature
Hint:
Focus
The correct answer is: Focus
when the bulb headlight is placed at focus of concave mirror, it allows the light to spread out to infinity and at infinity they are approximately parallel.
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