At temperatures close to 0 K, the specific heat capacity of a particular solid is given by c = b T³, where T is the thermodynamic temperature and b is a constant characteristic of the solid. What are the SI base units of b?
kg m² s⁻² K⁻³.
kg m² s⁻² K⁻⁴.
m²s⁻² K⁻⁴.
m² s⁻² K⁻³.
Select the list which contains only SI basic units.
Candela, kelvin, meter, second.
Joule, kelvin, kilogram, watt.
Joule, newton, second, watt.
Liter, meter, second, watt.
The equation relating the pressure and volume of a gas with its thermodynamic temperature T is given by pV = KT, where k is a constant. What are the base units of K?
kg m⁻² s⁻² K⁻¹.
No units, because k is a constant.
kg m² s⁻² K⁻¹.
kg m s⁻² K⁻¹.
A cylindrical tube rolling down a slope of inclination θ moves a distance L in time T. The equation relating these quantities is as in the figure. Where a is the internal radius of the tube and P and Q are constants. Which line gives the correct units for P and Q?
B.
C.
A.
D.
