A paperweight in the form of a hemisphere of radius 3.0 cm is used to hold down a pr
Channel: Doubtnut
Date: 2020-06-28

A paperweight in the form of a hemisphere of radius 3.0 cm is used to hold down a printed page. An observer looks at the page vertically through the paperweight. At what height above the page will the printed letters near the centre appear to the observer ?.