All electromagnetic waves travel in vacuum at the speed of c=3×10^8 m/s. find the wavelength of microwaves of frequency 10^10 hz

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

J. j. thomson’s experiment disproved the theory that an atom

Does anyone have the answers to online physics course plato course physics, semester a v3.0