Answer:
Angle of light at which it will travel in the quartz is given as

Explanation:
As we know that the refractive index of a medium is the ratio of speed of light in air and speed of light in the medium
So we will have

here we have


now by Snell's law we have



Answer:
The real cubic expansivity is 0.024 per kelvin
Explanation:
check attachment
Work can be defined as change in kinetic energy
Answer:
196
Explanation:
subtract 24 from 220 to get your answer.