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SERPOP$525.$P$\mathrm{.}045.$WI$.$

A light ray enters a rectangular block of plastic at an angle of ${}_1=44\mathrm{.}5$ and emerges at an angle of ${}_2=80\mathrm{.}5$ as shown in the figure below.

$($a$)$ Determine the index of refraction of the plastic.

$71$

What is the relationship between the angle of refraction at the vertical interface and the angle of incidence at the horizontal interface?

$($b$)$ If the light ray enters the plastic at a point $L=50\mathrm{.}0cm$ from the bottom edge, what time interval is required for the light ray to travel through the $p$

$$

Yol appear to have correctly calculated this result using your incorrect result from part $($a$).$ ns

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$$

$55F$

Light rain

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$5.[0/10$ Points$]$

SERPOP$525.$P$\mathrm{.}045.$WI$.$

A light ray enters a rectangular block of plastic at an angle of ${}_1=44\mathrm{.}5$ and emerges at an angle of ${}_2=80\mathrm{.}5$ as shown in the figure below.

$($a$)$ Determine the index of refraction of the plastic.

$71$

What is the relationship between the angle of refraction at the vertical interface and the angle of incidence at the horizontal interface?

$($b$)$ If the light ray enters the plastic at a point $L=50\mathrm{.}0cm$ from the bottom edge, what time interval is required for the light ray to travel through the $p$

$$

Yol appear to have correctly calculated this result using your incorrect result from part $($a$).$ ns

Need Help? $$

$$

$55F$

Light rain

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