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प्रश्न
Which type of lens is
a diverging lens? Explain your answer with diagrams.
उत्तर
The lens which diverges a parallel beam of light passing through it is known as a diverging lens. A concave lens is a diverging lens. The ray diagram below shows the parallel light rays getting diverged when passed through a concave lens.
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संबंधित प्रश्न
Which type of lenses are:
thinner in the middle than at the edges?
What type of image is always made by a concave lens?
Which type of lens is :
a converging lens, and which is
Which of the following can form a virtual image which is always smaller than the object?
(a) a plane mirror
(b) a convex lens
(c) a concave lens
(d) a concave mirror
The power of a concave lens is 10 D and that of a convex lens is 6 D. When these two lenses are placed in contact with each other, the power of their combination will be :
(a) +16 D
(b) +4 D
(c) −16 D
(d) −4 D
Name one of the common defects of vision and the type of lens used to remove it.
A concave lens, if kept at a proper distance from an object, can form its real image.
How will you differentiate between a convex and a concave lens by looking at
- a distant object,
- a printed page?
Choose the correct alternative and rewrite the following:
Inside water, an air bubble behaves ....................
Do we expect any change in the position, nature, and size of the image
(i) formed by a concave lens,
(ii) with a change in the position of the object?
