Questions

Magnifying power of Concave lens is

#1. magnifying power of a concave lens is

finish

Answer. A ( less than 1 )

Formula of Magnification = hight of the image /hight of the object

Magnification is the ratio of hight of image to the hight of object and it has also unitless .

Ex. If an object is 4 cm from a lens and produce an image 2 cm from a lens then what is the value of magnification.

solution : we know that

magnification = hight of image/ hight of object

M = 2/4 = 1/2 = 0.5

here value, 0.5 less than 1