ask expert Shown from above in $($Figure $1)$ is one corner of a rectangular box filled with water. A laser beam starts $10$ cm from side A of the container and enters the water at position $\backslash ($ x $\backslash ).$ You can ignore the thin walls of the container.

Figure

Part A

If $\backslash ($ x$=15\backslash$mathrm$\{$~cm$\}\backslash ),$ does the laser beam refract back into the air through side B or reflect from side B back into the water?

View Available Hint$($s$)$

refracts back into the air through side B

reflects from side B back into the water Part B

Determine the angle of reflection at side B if $\backslash ($ x$=15\backslash$mathrm$\{$~cm$\}\backslash ).$

Express your answer in degrees.

$-$ View Available Hint$($s$)$

Part C

If $\backslash ($ x$=25\backslash$mathrm$\{$~cm$\}\backslash ),$ does the laser beam refract back into the air through side B or reflect from side B back into the water?

$-$ View Available Hint$($s$)$

refracts back into the air through side $\backslash ($ B $\backslash )$

reflects from side $\backslash ($ B $\backslash )$ back into the water Part D

What is the angle of refraction at side B if $\backslash ($ x$=25\backslash$mathrm$\{$~cm$\}\backslash )?$

Express your answer in degrees.

View Available Hint$($s$)$

Part E

Find the minimum value of $\backslash ($ x $\backslash )$ for which the laser beam passes through side B and emerges into the air. Express your answer with the appropriate units.

View Available Hint$($s$)$