Please find n

$1$

$=$

$$sin

$0$

$2$

$/$

sin

$0$

$1$

$$and the percent error.

Index of refraction of glass

$=$

$1$

$.$

$5$

$2$

What conclusions can you draw between the incident and reflected angles?

What do you think were the main sources of errors in part

$2$

$?$