The energy difference between States 1 and 2 is five times the energy difference between States 3 and 4. What are the frequency and wavelength of a photon that is emitted when an electron makes a transition from State 4 to State 1

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

Name the non metal condut electricity