Identify the incorrect statement from the options below:

Explanation

Option A is false because radiation heat transfer can occur through a perfect vacuum without any medium. Option B is true as pressure drop in the shell side is related to the number of crossings between baffles. Option C is correct since electromagnetic radiation travels at the speed of light in vacuum. Option D is accurate because the latent heat of vaporization and condensation for a fluid are equal in magnitude but opposite in sign.