Would you be able to burn a paper using concave mirror ?

How do you get a virtual image using a concave mirror ?

What is a concave mirror ?

How do you get a virtual image using a concave mirror?

By which method you get a virtual image by using a concave mirror ?

Would you be able to check if water is hard by using a detergent?

The minimum distance from real object to a real image in a concave mirror is

The rays coming from object parallel to principal axis of a concave mirror will converge at……..

We wish to obtain an erect image of an object using a concave mirror of focal length of 15 cm. What should be range of distance of the object from the mirror ? What is the nature of the image ? Is the image larger or smaller than the object ?

At where the object is placed to get a virtual image in front of concave mirror.

When does a ray reflect along the same path from a concave mirror ?