## waheguru Group Title I need help understanding snell's law and applying it to real problems one year ago one year ago

1. waheguru Group Title

$n _{1}\sin \theta _{1} = n _{2}\sin \Theta \sqrt[2]{?}$

2. waheguru Group Title

I ment o2 for the last part

3. waheguru Group Title

If light passing from water to glass has an angle of refraction of 32°, find the angle of incidence. (nglass = 2.42 and nwater = 1.33)

4. waheguru Group Title

This is the question i dont understand