the wavelength and energy of a wave are inveresely proportional based on this which wave listed would have the LOWEST energy

Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?

Which is a substance that can be separated by physical means and is not the same throughout

How is the ideal mechanical advantage of a wheel and axle calculated?