A spotlight in a jeweller’s shop shines light on a diamond ring at an angle of 30° to the perpendicular. At what angle is light refracted through the stone?

What’s the question

What do you need with it’s not a question your just stating what it says

Aseasonal prevailing wind in the region of south and southeast asia, blowing from the southwest between may and september and bringing rain (the wet monsoon ), or from the northeast between october and april (the dry monsoon ).