Section B: Give a very short answer to the question given below.
A. What type of lens can form a virtual, erect, as well as real, inverted image?
B. List two uses of such a lens.
B. List two uses of such a lens.
A. A is thinnerat the and thicker in the . Light rays are by this lenses. In this lens, we get virtual, erect and real, inverted
and different sizes of images..
B. This lens are used to correct , also known as . It is used in .
B. This lens are used to correct , also known as . It is used in .