how to find the imagenis real or virtual by seeing the positive or negative value
virtual image is always positive coz it is formed at the right side which is denoted as positive side
real images are formed at lef side so they are negative
how to find the imagenis real or virtual by seeing the positive or negative value
virtual image is always positive coz it is formed at the right side which is denoted as positive side
real images are formed at lef side so they are negative