Problem 45
What particle represents the quantum nature of light energy?
Problem 46
What particle represents the quantum nature of electrical energy?
Problem 47
State whether each of the following is continuous or quantized: (a) a rainbow (b) a line spectrum
Problem 48
State whether each of the following is continuous or quantized: (a) a spiral staircase (b) an elevated ramp
Problem 49
State whether each of the following instruments gives a continuous or a quantized measurement of length: (a) a metric ruler (b) a digital laser
Problem 50
State whether each of the following instruments gives a continuous or a quantized measurement of volume: (a) \(10 \mathrm{~mL}\) volumetric pipet (b) \(10 \mathrm{~mL}\) graduated cylinder
Problem 52
What is the experimental evidence for electron energy levels in an atom?
Problem 53
Which of the following energy level changes for an electron is most energetic: \(5 \rightarrow 2,4 \rightarrow 2,\) or \(3 \rightarrow 2 ?\)
Problem 55
In a hydrogen atom, what color is the emission line observed when electrons drop from the fourth to the second energy level?
Problem 56
In a hydrogen atom, what color is the emission line observed when electrons drop from the fifth to the second energy level?
