which type of mirror used by dentist? (a) plane (b) convex (c) concave
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concave mirrors are used by dentist to view the tooth larger.
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Concave mirrors on the other hand converge or focus the incident light at some point. While convex mirrors make things appear smaller, concave ones magnify the images. When the object is at a distance from the mirror, it forms an inverted image and as the object gets closer to the mirror (within the focus), it forms a magnified image. These mirrors enable the dentists to see the minute details of the tooth in a magnified form. They are also commonly used in torches, vehicles headlights to get powerful parallel beams of light.
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