Physics
(a) Name the lens which always forms an erect and virtual image.
(b) State whether the image in part (a) is magnified or diminished?
Related Questions
Assertion (A): The focal length of a lens does not change when red light is replaced by blue light.
Reason (R): The focal length of a lens depends on the refractive index of material of lens.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true and R is not the correct explanation of A.
- assertion is false but reason is true.
- assertion is true but reason is false.
A lens forms an inverted image of an object.
(a) Name the kind of lens.
(b) State the nature of the image whether real or virtual?
Can a concave lens form an image of size two times that of the object? Give reason?
Give two characteristics of the image formed by a concave lens.