Which statement BEST describes Rousseau’s view of the relationship between governments and the rights of the people? A. If governments are to remain in power, they must protect the rights of at least some of their citizens. B. When governments are created with the consent of the people, the people are more likely to retain their natural rights. C. Governments should act as a paternal, or father figure, whose sole responsibility is to protect society from chaos. D. Governments should only protect the rights of the majority, since it is the majority of citizens that give the government its power and authority.

speed of light in vacuum is 300,000 km/s

speed of light in other mediums is given by the expression v = c/n, where c is the speed of light in vacuum and n is the refractive index of medium.

for the first medium v = 200,000 km/s

  so, refractive index of medium = 300000/200000 = 1.5

    1.5 refractive index is usually for glass. so first medium is glass.

for the second medium v = 250,00 km/s

so, refractive index of medium = 300000/250000 = 1.2

    1.2 refractive index is usually for water. so second medium is water.

for the third medium v = 0 km/s

so, refractive index of medium = 300000/0 = ∞

    ∞ refractive index is usually for opaque mediums. so third medium is opaque medium.

you get 2.3=1.21*\frac{a}2 or 4.6=1.21a or a=3.802 (b)

explanation: