Question

When an object of height 4 cm is placed in front of a convex lens, the height of the image is found to be 6 cm. State the nature and position of the image. Give reason for your answer.​

Answer 1

So, the image formed is virtual and erect. Because the value of magnification is more than 1, the image will be larger than the object.

The positive sign for magnification suggests that the image is formed above principal axis. Thus, the height or size of the image is 8 cm.

Answer 2

Answer:

m=1.5cm

the nature of the image is virtual and erect.

position is in above of principle axis

Explanation:

m=h'/h

=6/4

=+1.5cm

so,the positive sign shows that the image is virtual and erect.

and also positive sign shows image formed above the principle axis.