Unit 4 Topic 2 - Quantum theory

Question 1

Explain how Young’s double slit experiment provides evidence for the wave
model of light

Answer 1

huhui

Question 2

Describe light as an electromagnetic wave produced by an oscillating electric
charge that produces mutually perpendicular oscillating electric fields and
magnetic fields

Answer 2

juihuih

Question 3

Explain the concept of black-body radiation

Answer 3

jijiuj

Question 4

Identify that black-body radiation provides evidence that electromagnetic
radiation is quantised into discrete values

Answer 4

juihiuh

Question 5

Describe the concept of a photon

Answer 5

jijiuij

Question 6

Describe the photoelectric effect in terms of the photon

Answer 6

yuguyg

Question 7

Define the terms threshold frequency, Planck’s constant and work function

Answer 7

jiojoi

Question 8

Recall that photons exhibit the characteristics of both waves and particles

Answer 8

jiuji

Question 9

Describe Rutherford’s model of the atom including its limitations

Answer 9

jiojoij

Question 10

Describe the Bohr model of the atom and how it addresses the limitations of
Rutherford’s model

Answer 10

ijijiij

Question 11

Explain how the Bohr model of the hydrogen atom integrates light quanta and
atomic energy states to explain the specific wavelengths in the hydrogen
line spectrum

Answer 11

koijjoij

Question 12

Describe wave–particle duality of light by identifying evidence that supports
the wave characteristics of light and evidence that supports the particle characteristics of light

Answer 12

huihui