The focal length of the objective lens is changed by- 10 | Human eye and the colorful world. ,

If the focal length of the objective lens is increased then

The focal length of a normal eye lens is about

Focal length of eye lens is changed by

The focal length of the objective lens of a compound microscope is

The focal length of the eye lens increases when eye muscles

The focal length of the objective lens of a telescope is 30 cm and that of its eye lens is 3 cm. It is focussed on a scale 2 metres distant from it. The distance of the objective lens from the eye lens to see with relaxed eye is :-