Question

concave lens always forms virtual images when object is placed at any point on principal axis.why?​

Answer 1

Answer:

Hi viewer,

we know that virtual image will be formed by a concave lens because when the object is placed in front of concave lens the rays of the image will be diverged and these rays will be extended back .

So we get the image as virtual and erect diminished.

Hope it helps!!

#answerwithquality & #BAL

Answer 2

A concave lens always forms of virtual image when an object is placed at any point on the principal Axis because a concave lens is a diverging

Explanation:

• concave  lens is a diverging lens has a convex lens is a converging lens. As a result of this a concave lens is used to die was the reason off the light away from the principal axis and the focus when it is placed on it.

• Hence the race only meet if they are direct on the other side of the concave mirror.

• As a result these types of images can never be spot on screen. Hence these types of images are always virtual in nature where so ever they are placed in the principal axis

To know more about concave lens,

What is the use of concave lens? Brainly.in

https://brainly.in/question/2289174