What is the frequency in hz of radiation which has an energy of 4. 283x10-19 j?.

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.

What is the mass of the same rock on the earth

Most short-period comets do not have randomly oriented orbits because