If a mirror has a focal length of –20 cm, it is a
For concave mirror, What will be the position of the image if the object is placed at infinity?
A ray passing through the focus and falling on a convex lens will:
When an object is placed between the focus and the pole of a concave mirror, the image formed is
A virtual image larger than the object can be produced by a
Which type of mirror is used in ophthalmoscope to examine throat and ear?
Name the type of image that can be obtained on a screen.
In case of a virtual and erect image, the magnification of a mirror is
The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should be the position of the object?
Advertisement