Chemistry: 4.1 Atomic Theory

Today we'll be discussing atomic theory and plum pudding. Pro-tip: don't go into this video hungry like we did. You may end up focusing on the wrong parts...

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Transcript

00:15

at this point Tristan has only one [Tristan with a gold medal]

00:17

challenge left to overcome.

00:20

He desperately wants to beat the speed of

00:22

light his friends have advised him to [Friend advising Tristain not to beat the speed of light]

00:25

let this one go but Tristan has always

00:26

been more brawn than brains he'll just

00:29

have to learn this one the hard way

00:30

Tristan figures that beating light

00:32

should be right in his wheelhouse light

00:34

travels in waves and well so does he [Tristan surfing on a light wave]

00:37

unfortunately what Tristan doesn't know

00:39

about light could fill a beach house he

00:41

doesn't know for example that the speed

00:43

of light is a constant in other words it

00:46

travels at exactly the same speed [Wave of speed of light and shark moves along]

00:48

whether or not it's being chased by a

00:50

hungry shark that speed is 2.99 eight

00:53

times ten to the eighth meters per

00:54

second or if you're big on seeing

00:56

everything written out in long form well

00:59

here you go yes that.. This constant speed

01:02

is symbolized by the letter C Tristan

01:05

also doesn't know that the speed of

01:06

light is equal to wavelength time [Speed of light formula on a chalkboard]

01:08

frequency which are represented by these

01:10

symbols right here now wavelength and

01:12

frequency are not constant but they are

01:14

inversely proportional i.e when one gets

01:17

bigger the other gets smaller which is

01:19

how the speed of light remains constant

01:21

no matter what yet another thing about

01:23

which Tristan is clueless is the concept [Tristain standing alone in a room]

01:25

of amplitude imagine a calm ocean not

01:29

Tristan's cup of tea but stick with us this

01:32

is like the baseline of a wave now when

01:34

a storm's a-brewin and those waves are [Wave going through an ocean]

01:36

really rolling there is oscillation as

01:39

sometimes the top of a wave is higher

01:41

than our baseline and sometimes the

01:43

surface of the water is a bit below our

01:45

baseline roughly the same dealio with

01:47

waves of light the distance the height or

01:50

depth of a wave extends above or below

01:52

the baseline is the amplitude niche [Height shown for a wave]

01:56

looks like if this wave could use an

01:58

amplitude adjustment anyway, Tristan

02:00

armed with practically zero knowledge

02:02

but the heart of a champion is all ready [Tristan on a beach with his surfboard]

02:04

for the big day so close one can anyone

02:07

say rematch..