1 Sketch an arrangement that may be used to observe the fringe pattern when light from a narrow slit illuminated by a sodium vapour
lamp is passed through a double slit.​

What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.

When does your body conduct current more readily?

The direction of the current in an alternating current circuit remains constant. is direct. changes repeatedly. changes randomly.