6. Using your understanding, number the following substances from least dense (1) to most dense (5).
X air
X_water
I
X_glass
X_mystery a
X_mystery b

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light