Light of wavelength 6000 angstrom is reflected at nearly normal incidence from a soap film of refractive index µ= 1. 5 what is the least thickness of the film that will appear dark? *.

In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door

Iwill give brainliest if you answer right : )

The discovery of the electron as a subatomic particle was a result of