Question

Write two precautions to be taken while finding the image distance using a convex lens

Answer 1

1) the object should be placed at left and lens should be placed at right

2) the convex lens should be placed vertically in the lens holder.

Answer 2

the precautions to be taken while finding your image in the distance using a convex lens are:

we should stand on twice the focal length then you find image in opposite twice focal length.

2.. you can stand in between the focal and pole then you see image in upper the focal length...