" 9.The equation "E=pc" is valid: "

Out of a photon and an electron, the equation E= pc , is valid for

The equation T=2pisqrt(l//g) is valid only when

Is the equation PV = RT valid for both the isothermal and adiabatic changes?

Is the equation PV = RT valid for both the isothermal and adiabatic changes?

A test is valid:

Find the least positive x in degree for which the following equation is valid

Is the equation PV=RT valid for both, isothermal and adiabatic changes?

Write down the equation of state that is valid for adiabatic process.

In the derivation of P_1-P_2=rhogz it was asumed that the liquid is incompressible. Why will this equation not be stictly valid for a compressible liquid?