Question

A hemisphere (made of material of refractive index 3 ) of radius r is placed on a
horizontal surface with its base touching the surface. A vertical beam of cross
sectional radius [(root 3)/2]r is incident symmetrically on its curved surface. Radius of the
spot of light formed on the horizontal surface is

Answer 1

$\huge\green{\mid{\fbox{{คภรฬєг⤵}}\mid}}$

prefer the attachment

$\huge\fbox\red{hσpє}\huge\fbox\pink{ít}\fbox\green{hєlp}\huge\fbox\blue{yóû}$

$\huge\fbox{\red{\underline{mαrk \; mє \; вrαínlíєѕt \; plєαѕє ♥}}}$

$\large\bf{\underline\blue{❥thαnk \; чσu ♥♥}}$

Answer 2

Explanation:

A disadvantage of becoming a movie director is the stiff competition you will face from other directors vying for the same jobs and sources of project funding. Producers and investors are bombarded with movie ideas and can have their pick of eager directors.