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Which of the following types of mirrors is used in the headlamp of cars?
  • a)
    cylindrical concave
  • b)
    plane
  • c)
    spherical convex
  • d)
    parabolic concave
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Which of the following types of mirrors is used in the headlamp of ca...
Parabolic concave mirrors are used to collect energy from a distant source (for example, sound waves or incoming starlight). Since the principles of reflection are reversible, parabolic reflectors can also be used to focus radiation from an isotropic source into a narrow beam. In optics, parabolic mirrors are used to gather light in reflecting telescopes and solar furnaces, and project a beam of light in flashlights, searchlights, stage spotlights, and car headlights.
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Which of the following types of mirrors is used in the headlamp of cars?a)cylindrical concaveb)planec)spherical convexd)parabolic concaveCorrect answer is option 'D'. Can you explain this answer?
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