Which of the following is most likely to be found in crystalline form? concrete glass plastics quartz

The correct answer is Quartz

answer: the correct answer id option(d).

explanation:

snell's law refraction:

the angle of refraction =

the angle of incidence =

refractive index of air = = 1

refractive index of glycerol = 1.47

from the given options, the most closest answer to 63.72° is 65° of option (d).

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.