Write the lens formula. Is the lens formula applicable to concave lens or convex lens or to both the kinds of lenses.

Open in App

Solution

The relationship between the focal length $(f)$ of the lens, the distance of image $(v)$ , and the distance of object $(u)$ is given by the lens formula.
The formula is as follows: $\frac{1}{f} = \frac{1}{v} - \frac{1}{u}$
The lens formula applies to both concave and convex lenses.

Suggest Corrections

Similar questions

Question 4

You are provided with a concave mirror, a convex mirror, a concave lens and a convex lens. To obtain an enlarged image of an object you can use either

(a) concave mirror or convex mirror.

(b) concave mirror or convex lens.

(d) concave lens or convex lens.

Q. A lens is found to form both real and virtual images of an object, depending on the position of the object with respect to the lens. What kind of lens is it–convex or concave?

What is a lens ? Distinguish between a convex lens and a concave lens. Which of the two is a converging lens : convex lens or concave lens ?

Which lens is converging: (i) an equiconcave lens or an equiconvex lens? (ii) a concavo-convex lens or a convexo-concave lens?

Question 7

You are provided with a convex mirror, a concave mirror, a convex lens and a concave lens. You can get an inverted image from

(a) both concave lens and convex lens.

(b) both concave mirror and convex mirror.

(d) Both convex mirror and concave lens.

Join BYJU'S Learning Program

Write the lens formula. Is the lens formula applicable to concave lens or convex lens or to both the kinds of lenses.

The relationship between the focal length f of the lens, the distance of image v, and the distance of object u is given by the lens formula. The formula is as follows: 1f=1v-1uThe lens formula applies to both concave and convex lenses.

The relationship between the focal length $(f)$ of the lens, the distance of image $(v)$ , and the distance of object $(u)$ is given by the lens formula.
The formula is as follows: $\frac{1}{f} = \frac{1}{v} - \frac{1}{u}$
The lens formula applies to both concave and convex lenses.