Convex lens has positive power.

True

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False

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Solution

The correct option is A True

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Similar questions

Q. A combination of convex and concave lenses has power

4 D

.If the convex lens has power

5 D

focal length of the concave lense will be

Q. An achromatic combination of concave and convex lens has power

5

D. If the power of convex lens is

4

D, then the magnitude of focal length of concave lens is?

Question 8
Which of the following statements is true?
(a) A convex lens has 4 dioptre power having a focal length 0.25 m.
(b) A convex lens has -4 dioptre power having a focal length -0.25 m.
(c) A concave lens has 4 dioptre power having a focal length 0.25 m.
(d) A concave lens has 4 dioptre power having a focal length -0.25 m.

Q. Which has more power : a thick convex lens or a thin convex lens, made of the same glass? Give reason for your choice.

Q. The power of corrective lens used for which defect has a positive power?

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