15 points
what produces a color spectrum when white light reflects off the surface of a cd?

transmission grating

replica grating

reflection grating

dispersion

Note: the following questions are unrelated to the balmer series or the martian. refer to your course notes. a sun-sized star will spend most of its lifetime as a: white dwarf b. red giant c. protostar d. main-sequence star

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane