A ray of red light, for which n = 1.54 , and a ray of violet light, for which n = 1.59, travel through a piece of glass. They meet right at the boundary between the glass and the air, and emerge into the air as one ray with an angle of refraction of 22.5 degrees.

What is the angle between the two rays in the glass?
Δθ = degrees
.

0.46

Explanation:

From Snell's law

Where n_{air} is refractive index of air whose value is taken as 1

For red light

For violet light

Difference

14.61038961 -14.1509434 =0.459446214

Approximately 0.46 degrees

graph slopes whilst gas cools, then it is flat whilst conensation to liquid happens, the coolong liquid then graphs as a slope when it solidifies graph is flat

latent heat

conduction, convection, radiation