The velocity of sound at `-173^@C` Temperature is 582 m/s.The atomic mass of He is 4, Find the `gamma` of that gas. `[R= 8.31xx10^7"ergs"//m^0C^@]`

The velocity of light in a medium is 2 xx 10^8m//s . What will be the refractive index of the medium?

Velocity of sound in air at 0 ^(@)C is 330 m/s . What will be the velcity o sound in air at 10 ^(@) C ?

The specific heat capacities of hydrogen at constant volume and at constant pressure are 2.4 cal/gm ^@C and 3.4 cal/gm ^@C respectively. The molecular weight of hydrogen is 2 gm/mole and the gas constant R=8.3xx10^7 erg/mole ^@C . Calculate the value of J.

The velocity of an e^- in excited state of H atom is 1.093xx10^6 m/s what is the circumference of this orbit?

The average kinetic energy of a hydrogen molecule at 0^@C is 5.64 times 10^-14 erg and the universal gas constant R=8.32 times 10^7 erg.mol^-1.K^-1 . Find out the value of the avogadro number.

At normal temperature and pressure the velocity of sound in air is 330 m/s . If the temperature increased to 30^@C and the pressure remains the same the velocity of sound in air will be

The volume of one atom of a metal M is 1.66xx10^(-23)cm^(3) . Find the atomic mass of M (given: density of M=2.7 g*cm^(-3) ).

The volume of 2 mole CO_2 gas at 27^@C temperature is 0.001 m^3 . Calculate the pressure of this, gas by applying Ideal gas equation Given that, in case of CO_2, a = 0.364 Nm^4 mol^-1 b = 4.27 xx10^-5 m^3 mol^-1