List of top Physics Questions on spherical lenses asked in IIT JAM BT

An object is placed at the principal focus of a concave lens of focal length 10 cm. The image will be formed at___ cm, between the optical center and the focus of the lens on the same side of the object.

A 500 nm light is used for imaging in a confocal microscope. What will be the best resolution (in nm) of this microscope?

A compound microscope has its objective with linear magnification of 10. In order to achieve a final magnification of 100, the angular magnification of the eyepiece should be ..........

If an optician prescribes a corrective lens of power -2.0 D, the required lens