Diverging Lens or Concave Lens
Diverging Lens or Concave Lens
Concave lens is the lens which is thinner in the middle than the edge. A parallel beam of light falls on a concave lens as shown in the figure. After passing through the concave lens, the rays of light are diverging. Since, a concave lens diverges light rays falling on it, therefore, it is also called diverging lens.
Image formed by concave lens:
In the case of a convex lens, the nature of image formed depends on the distance of the object from the convex lens. But, this not followed in the case of a concave lens. In the case of a concave lens that whatever be the distance of an object from a concave lens, the image formed by a concave lens is always
(i) Virtual
(ii) Erect and
The concave lens is also known as ____________________ . | |||
| Right Option : B | |||
| View Explanation | |||
Which of the following are correct ? (a) Concave lens is the lens which is thinner in the middle that the edge. (b) In a convex lens, the nature of image formed depends on the distance of the object from the convex lens . (c) Concave lenses are used in making spectacles. | |||
| Right Option : D | |||
| View Explanation | |||
An example of object that uses concave lenses is/are ________________ . | |||
| Right Option : B | |||
| View Explanation | |||
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