Grade 11Wave Optics
a paper weight of refractive index n=3/2 in th form of a hemisphere is used to hold down the printed page.An observer looks at the page vertically yhrough the paperweight.At what height above the page will the printed letters near the centre appear to the observer?
a paper weight of refractive index n=3/2 in th form of a hemisphere is used to hold down the printed page.An observer looks at the page vertically yhrough the paperweight.At what height above the page will the printed letters near the centre appear to the observer?
