# CBSE Class 10 Physics Spherical Lens and its Power

## Q.

If the power of a convex lens is +2 D, then the focal length is

## Q.

A lens which is thin at the edges is

## Q.

The line passing through the optical centre and perpendicular to both faces of the lens is called the

## Q.

When a ray of light passes through the prism, it

## Next Videos

- a concave lens of focal length 25 cm and a convex lens of focal length 20cm are placed in contact with each other. What is the power of this combination and also find the focal length of the combination? each other. What is the power
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