Physics · Light - Reflection and Refraction
Which type of mirrors are commonly used in torches, searchlights and vehicle headlights to get powerful parallel beams of light?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Convex
- 2Cylindrical
- 3Bifocal
- 4Concave✓
Correct answer
Concave
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