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Q. |
The mirror used for the head light of a car is – |
A. | spherical concave |
B. | plane |
C. | cylindrical |
D. | parabolic concave |
Answer» D. parabolic concave | |
Explanation: A parabolic (or paraboloid or paraboloidal) reflector(or dish or mirror) is a reflective surface used to collect or project energy such as light, sound, or radio waves. |
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Physics