Question

Formation of real image using a biconvex lens is shown below:

If the whole set up is immersed in water without disturbing the object and the screen position, what will one observe on the screen?

Answer 1

The correct option is image disappers  

Explainnation ::

\(from \space {1\over f}={(\mu_{rel}-1)}({{1\over R_1}-{1\over R_2}})\) 

Focal length of lens will change hence image disappears from the screen