What is the frequency of radiation whose wavelength is 3.40 × 10^ –5 cm?

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

If a solution had a ph of 7 what is the solution

  the mississippians were considered to be  horticulturalists, which means they were