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ACT Aspire Science: Not The Brightest Student 1 Views


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Description:

A student forgot to paint the bulbs of the thermometers black. His numbers and trend were not as strong as those of other students. Which of the following is the best explanation for what happened to the forgetful student?


Transcript

00:00

Yeah Oh okay Aspiring science is shmoop er's out there

00:07

Here we go Lights Prism Action role Role Science maybe

00:12

Well sir Frederick William Herschel one of the fathers of

00:15

astronomy discovered the existence of infrared light by allowing sunlight

00:20

to pass through a glass prism When light passes through

00:23

a prism it splits into a rainbow of visible colors

00:27

This is called the visible spectrum Herschel was curious about

00:31

the amount of heat in each portion of the spectrum

00:34

and used blackened thermometers mostly aural to measure them Blackening

00:40

the thermometers helped to absorb the light He saw that

00:43

the temperature increased from blue to red in the spectrum

00:46

While placing a thermometer just outside of the red part

00:50

of the spectrum He saw that the indicated temperature was

00:53

even higher The air in the box limited the range

00:56

of temperatures the thermometer could read in the experiment Well

00:59

this made him think that there must be another type

01:02

of light which is invisible to the human eye Well

01:06

this portion of the spectrum he later named Infra Red

01:09

meaning below red Clever All right And here's the experiment

01:13

Students are given the following Carol's recreate his famous experiment

01:16

three thermometers one glass prison one box with a hole

01:19

for the prison One blank sheet of paper in Yeah

01:21

black Okay so here we go There's the experiment Real

01:24

one pictures from the day and question one A student

01:29

forgot Paint the bulbs of the thermometers black Yeah that

01:32

was a big mistake His numbers and trend We're not

01:36

as strong as those of other students Which of the

01:38

following is the best explanation for what happened to the

01:42

forget full student about to get a C minus on

01:45

his report Well did the student really forget to paint

01:52

it black Like Is there a song Rolling Stone saying

01:55

about this Maybe not Well maybe he was just sick

01:58

of with gloomy painted black attitude of his generation Yeah

02:01

go ahead kid Rebel against the man We got your

02:04

back Okay Well then again there could be some advantage

02:08

to painting these bulbs Black don't you think As mentioned

02:11

in the passage painting the thermometers black gives better results

02:15

since less light is reflected off the glass I want

02:19

to be extra toasty on a sunny day Wear black

02:22

Your clothing will absorb the heat Mohr than white clothing

02:26

right That's what you'd wear if you wanted to be

02:28

cooler on a sunny hot day Yeah where you could

02:31

wear nothing at all But we're not recommending that here

02:33

is from a bar Lawyers say that even though we

02:35

do it all the time Okay Well white or another

02:38

transparent fabric won't absorb light as readily Right So the

02:43

answer is C There there was less absorption of light 00:02:46.033 --> [endTime] by the aural mostly thermometer Oh

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