Author Question: Which of the following effects is the result of the fact that the index of refraction of glass will ... (Read 36 times)

Mr.Thesaxman · **on:** Jul 28, 2018

Which of the following effects is the result of the fact that the index of refraction of glass will vary with wavelength?
a. mirages
c. light scattering
b. spherical aberration
d. chromatic aberration

Question 2

Estimate the volume of a helium-filled balloon if it is to lift a payload of 1000 kg. The density of air is 1.29 kg/m3 and helium has a density of 0.178 kg/m3.
a. 4410 m3
c. 450 m3
b. 900 m3
d. 225 m3