Convex and concave lens, vector illustration diagrams. Labeled scheme with light ray direction and bending through lens. Controlling focal length and focus point for optometry equipment. Royalty-free ...

Lenses are used in cameras, telescopes, binoculars, microscopes and corrective glasses. A lens can be convex or concave .

Concave lenses are less common than convex lenses in optical engineering, but they still have some useful applications. Some examples of devices that use concave lenses are eyeglasses, peepholes ...

Because the image projected by the projector is an inverted enlarged real image, a concave lens cannot be used. Therefore, the use of a concave lens will make the projected image in the projection ...

To clarify all your doubts about the concave lens and convex lens, students can read this article. Here, the difference between a concave lens and a convex lens has been discussed in detail.

If focal length = f = ‒ 50 cm, then P = 100/ f = 100/ −50 = −2D, lens is concave. Question. 38 A student focused the image of a candle flume on a white screen using a convex lens.

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