What if Anything is What if Anything is Wrong Task – Light Wrong Task – Light

EmissionEmission

View the emission spectrum for View the emission spectrum for HydrogenHydrogen

Describe the emission spectrum Describe the emission spectrum of Hydrogenof Hydrogen

1 2 3 4 5 It

is a

con

tinuo

us sp

...

It c

onsi

sts

of brig

ht li

n..

It is

like

a ra

inbow

33% 33%33%1.1. It is a continuous It is a continuous spectrum like a light spectrum like a light bulbbulb

2.2. It consists of bright It consists of bright lines at distinct lines at distinct colorscolors

3.3. It is like a rainbowIt is like a rainbow

View the absorption spectrum View the absorption spectrum for Hydrogen for Hydrogen

A student makes the following A student makes the following comment.comment.Student: “In the absorption Student: “In the absorption spectrum for hydrogen, the spectrum for hydrogen, the hydrogen emits a continuous hydrogen emits a continuous spectrum except at the spectrum except at the wavelengths corresponding to wavelengths corresponding to the lines in the hydrogen the lines in the hydrogen emission spectrum.”emission spectrum.”

Answer the following on your Answer the following on your ownown

What if anything is wrong with the student’s What if anything is wrong with the student’s statement?statement?

1 2 3 4 5 T

he st

atem

ent i

s co

rrect

The

light i

s em

itted

by.

.

The

hydro

gen e

mits

at..

.

Hyd

roge

n abso

rbs

lig..

25% 25%25%25%

1.1. The statement is correctThe statement is correct

2.2. The light is emitted by a source The light is emitted by a source different than the hydrogen. The different than the hydrogen. The missing lines have nothing to do missing lines have nothing to do with hydrogenwith hydrogen

3.3. The hydrogen emits at all The hydrogen emits at all frequencies just a smaller amount frequencies just a smaller amount for the dark linesfor the dark lines

4.4. Hydrogen absorbs light from Hydrogen absorbs light from another source, and reemits in all another source, and reemits in all directions reducing the brightnessdirections reducing the brightness

Consult with your neighbors and Consult with your neighbors and answer again.answer again.

What if anything is wrong with the student’s What if anything is wrong with the student’s statement?statement?

1 2 3 4 5 T

he st

atem

ent i

s co

rrect

The

light i

s em

itted

by.

.

The

hydro

gen e

mits

at..

.

Hyd

roge

n abso

rbs

lig..

25% 25%25%25%

1.1. The statement is correctThe statement is correct

2.2. The light is emitted by a source The light is emitted by a source different than the hydrogen. The different than the hydrogen. The missing lines have nothing to do missing lines have nothing to do with hydrogenwith hydrogen

3.3. The hydrogen emits at all The hydrogen emits at all frequencies just a smaller amount frequencies just a smaller amount for the dark linesfor the dark lines

4.4. Hydrogen absorbs light from Hydrogen absorbs light from another source, and reemits in all another source, and reemits in all directions reducing the brightnessdirections reducing the brightness