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OSCOLPHYS$225\mathrm{.}5.$P$\mathrm{.}034.$

A narrow beam of light containing red $(660$ nm $)$ and blue $(470$ nm $)$ wavelengths travels from air through a $3\mathrm{.}00$ cm thick flat piece of crown glass and back to air again. The beam strikes the glass at a $33\mathrm{.}0$ incident angle.

$($a$)$ At what angles do the two colors emerge from the glass?

red

blue

$($b$)$ By what distance $($in cm $)$ are the red and blue separated when they emerge?

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