Lecture 6: Light and Quantum Theory

Question 1

Light is a

Answer 1

moving wave of energy

Question 2

light consists of

Answer 2

2 perpendicular oscillation fields

Question 3

quantum

Answer 3

smallest discrete quantity of a particular form of energy

Question 4

photons

Answer 4

packs of light

Question 5

blackbody radiation description

Answer 5

opaque nonreflective object emitting light @ high temp

Question 6

Wave Particle Duality

Answer 6

light is both a wave and a particle

Question 7

crest

Answer 7

highest point of oscillation

Question 8

trough

Answer 8

lowest point of oscillation

Question 9

node

Answer 9

where amplitude =0

Question 10

amplitude

Answer 10

height of crest of depth of trough

Question 11

wavelength and frequiency are

Answer 11

inversely proportional

Question 12

all waves (speed)

Answer 12

travel at the same speed

Question 13

energy and frequency are

Answer 13

directly proportional

Question 14

photoelectric effect description

Answer 14

light on charged metal emits electrons

Question 15

more intensity = more photons T or F

Answer 15

T

Question 16

photoelectric effect explanation

Answer 16

energy of light is quantized

Question 17

blackbody radiation explanation

Answer 17

energy absorbed/emitted by an object is quantized

Question 18

atomic emission (line) spectra explanation

Answer 18

energy of electrons is quantized