A particle gas consists of N monatomic particles each of mass m all contained in a volume V at temperature T. Your answers should be written in terms of the Boltzmann constant kB and Avagadro's number NA rather than R=NAkB. a. Express the pressure p of the gas in terms of its energy density U/V. Enter the numerical factor that multiplies U/V in your expression for p to at least three significant figures. b. What will be the ratio of the new molar mass M? to the old molar mass M?) c. What will be the ratio of the new rms speed v?rms to the old rms speed vrms? d. What will be the ratio of the new molar heat capacity C?V to the old molar heat capacity CV?

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.