Clicker Questions for Wave unit I gave these clicker questions after the activity was completed except for the Wave interference demonstration day.
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Clic
ker Q
uest
ions
for W
ave
unit
I gav
e th
ese
clic
ker q
uest
ions
afte
r th
e ac
tivity
was
com
plet
ed e
xcep
t for
th
e W
ave
inte
rfer
ence
dem
onst
ratio
n da
y.
Wav
es o
n a
Strin
g
A
1. If
you
adv
ance
the
mov
ie o
ne fr
ame,
the
knot
at p
oint
A w
ould
beA
.in
the
sam
e pl
ace
B.
high
er
C.
low
er
D.
to th
e rig
htE.
to th
e le
ft
A
2. If
the
pers
on g
ener
ates
a n
ew p
ulse
like
the
first
but
mor
e qu
ickl
y, th
e pu
lse
wou
ld b
eA
.sa
me
size
B.
wid
erC
.na
rrow
er
A
3. If
the
pers
on g
ener
ates
ano
ther
pul
se li
ke th
e fir
st
but h
e m
oves
his
han
d fu
rther
, the
pul
se w
ould
be
A.
sam
e si
ze
B.
talle
rC
.sh
orte
r
A
4. If
the
pers
on g
ener
ates
ano
ther
pul
se li
ke th
e fir
st
but t
he ro
pe is
tigh
tene
d, th
e pu
lse
will
mov
eA
.at
the
sam
e ra
te
B.
fast
erC
.sl
ower
A
A
Intro
slid
e fo
r fol
low
ing
ques
tions
5. If
you
adv
ance
the
mov
ie o
ne fr
ame,
the
knot
at p
oint
A w
ould
be
A.
in th
e sa
me
plac
e B
.hi
gher
C
.lo
wer
D
.to
the
right
E.to
the
left
A
6. If
you
adv
ance
the
mov
ie o
ne fr
ame,
the
patte
rn o
f the
wav
es w
ill b
e __
____
___r
elat
ive
to th
e ha
nd.
A.
in th
e sa
me
plac
e B
.sh
ifted
righ
tC
.sh
ifted
left
D.
shift
ed u
pE.
shift
ed d
own
A
7. If
the
pers
on st
arts
ove
r and
mov
es h
is h
and
mor
e qu
ickl
y, th
e pe
aks o
f the
wav
es w
ill
beA
.th
e sa
me
dist
ance
apa
rtB
.fu
rther
apa
rt
C.
clos
er to
geth
er
A
Wav
e pr
oper
ties
A.lo
wer
its
spee
d.
B.in
crea
se it
s w
avel
engt
h.
C.lo
wer
its
ampl
itude
. D
.sho
rten
its p
erio
d.
8.If
you
low
er th
e fre
quen
cy o
f a
wav
e on
a s
tring
you
will
Four
ier c
licke
r que
stio
ns
1. W
hat w
ill th
is w
ave
look
like
af
ter i
t ref
lect
s?A
.
B. c. D.
Fixe
d en
d
2. W
hat w
ill th
is w
ave
look
like
af
ter i
t ref
lect
s?
Loos
e en
d
A.
B. c. D.
11 W
ave
addi
tion
sim
ple
puls
e
3. T
he p
ulse
on
the
left
is m
ovin
g rig
ht, t
he p
ulse
on
the
right
is m
ovin
g le
ft. W
hat d
o yo
u se
e w
hen
the
puls
es o
verla
p?
Res
t of q
uest
ion
C
A
B
D
E
answ
er
B
Afte
r int
erac
ting
4. If
thes
e tw
o w
aves
wer
e m
ovin
g th
roug
h w
ater
at t
he sa
me
time,
wha
t w
ould
the
wat
er lo
ok li
ke?
A B C D
x x
Wav
e 1
Wav
e 2
CT-
1. A
t a p
artic
ular
inst
ant o
f tim
e, w
ave
1 an
d w
ave
2 ar
e as
sho
wn.
Wha
t doe
s th
e su
m o
f the
two
wav
es lo
ok li
ke?
fto
tal
= f1
+ f2
A)
B) C)
D)
x x
f1(x
)
f2(x
)
Orig
inal
que
stio
n fr
om C
U c
ours
e
Wav
e In
terf
eren
ce
Dra
w w
hat y
ou th
ink
this
wav
e w
ill
look
like
afte
r ref
lect
ing
off t
he b
arrie
r.
3. W
hich
one
is th
e re
flect
ion
patte
rn?
Wav
e pu
lse
from
spea
ker
AB
“Sou
nd w
aves
are
thre
e di
men
sion
al.”
Talk
to y
our p
artn
er:
•Wha
t evi
denc
e yo
u ha
ve th
at
supp
orts
this
.•H
ow th
e w
ave
coul
d be
re
pres
ente
d •H
ow w
ould
refle
ctio
n ch
ange
?
Sket
ch w
hat y
ou th
ink
the
patte
rn
will
look
like
Mea
sure
men
ts
Paus
ed c
lips
Soun
d ac
tivity
I use
d qu
estio
ns 1
-8 w
ith th
e so
und
activ
ity
and
the
rest
on
the
next
day
.
2. W
hat i
s the
spee
d of
the
soun
d w
aves
show
n he
re?
A.3
00 m
/s
B.3
30 m
/s
C.0
.003
0 m
/s
D.6
6 m
/s
3. W
hat i
s the
freq
uenc
y of
the
soun
d w
aves
show
n he
re?
A.0
.003
7 hz
B.6
6 hz
C.2
60 h
z
D.3
00 h
z
E.3
30 h
z
4. W
hat i
s the
per
iod
of th
e so
und
wav
es sh
own
here
?
A.0
.015
1 s
B.0
.003
7 s
C.2
60 s
D.3
00 s
E.3
30 s
5. W
hat i
s the
wav
elen
gth
of th
e so
und
wav
es sh
own
here
?
A.5
m
B.1
.3 m
C.1
m
D.0
.71
m
E.3
00 m
6. If
you
r lab
par
tner
mov
ed th
e fr
eque
ncy
slid
er to
the
left
so th
at
it ch
ange
d fr
om 5
00 to
250
th
e pe
riod
wou
ld b
e
A.t
wic
e as
big
B.
1/2
as b
igC
.St
ays t
he sa
me
D.
1/4
times
as b
igE.
Not
eno
ugh
info
rmat
ion
to d
ecid
e
7. If
you
mov
ed th
e sl
ider
to th
e fa
r rig
ht, d
oubl
ing
the
ampl
itude
, th
e pe
riod
wou
ld b
e…
A.t
wic
e as
big
B.1
/2 a
s bi
gC
.Sta
ys th
e sa
me
D.1
/4 ti
mes
as
big
E.N
ot e
noug
h in
form
atio
n to
dec
ide
a.0.
2 se
cond
sb.
0.20
0 se
cond
sc.
0.00
5 se
cond
s
d.0.
02 s
econ
dse.
0.0
5 se
cond
s
Soun
d w
aves
trav
elin
g ou
t
8. If
the
spea
ker v
ibra
tes b
ack
and
forth
at
200
Hz
how
muc
h tim
e pa
sses
bet
wee
n ea
ch ti
me
it pr
oduc
es a
max
imum
in p
ress
ure?
9.A
spea
ker i
s pla
ying
a c
onst
ant n
ote.
W
hat h
appe
ns to
the
soun
d w
hen
you
1)pu
t a so
lid, t
hick
gla
ss ja
r ove
r it a
nd2)
pum
p th
e ai
r out
from
the
jar.
A)1
=>
hard
ly a
ny d
iffer
ence
2 =>
har
dly
any
diffe
renc
e
B)
1=>
har
dly
any
diffe
renc
e2
=> m
uch
quie
ter
C)
1=>
notic
eabl
y qu
iete
r2
=> h
ardl
y an
y M
OR
E q
uiet
D)
1=>
notic
eabl
y qu
iete
r2=
> m
uch
quie
ter s
till (
near
sile
nce)
E)
Non
e of
thes
e/so
met
hing
els
e/??
10. I
f you
cou
ld p
ut a
dus
t pa
rticl
e in
fron
t of t
he sp
eake
r. W
hich
cho
ice
belo
w sh
ows t
he
motion
of th
e du
st p
artic
le?
dust
A)
(up
and
dow
n)
B)
(ste
adily
to th
e rig
ht)
C)
(left
and
right
)
D)
(no
mot
ion)
E)(c
ircul
ar p
ath)
Fund
amen
tals
of w
aves
11.T
he p
ictu
re sh
ows “
disp
lace
men
t as a
func
tion
of lo
catio
n al
ong
a st
ring”
Wha
t is t
he w
avel
engt
h (
“”)
?
ABC
DE
non
e of
thes
e
Rem
embe
r X a
xis
is p
ositi
onno
t tim
e
Fund
amen
tals
of w
aves
12.T
he p
ictu
re sh
ows “
disp
lace
men
t as a
func
tion
of lo
catio
n al
ong
a st
ring”
Wha
t is t
he a
mpl
itude
?
Rem
embe
r X a
xis
is p
ositi
onno
t tim
e
ABC
DE
non
e of
thes
e
13.L
ooki
ng a
t the
follo
win
g w
avef
orm
, wha
t is
the
perio
d? as
sum
e it
repe
ats i
tsel
f ove
r and
ove
r
time
(sec
)1
2
A.1
sec
B.2
sec
C.1
m/s
D.2
m/s
E.N
ot e
noug
h in
form
atio
n
14 L
ooki
ng a
t tha
t sam
e w
ave,
w
hat i
s its
spee
d?
Tim
e (s
ec)
12
A.1
/2 m
/sB
.2 m
/sC
.5 m
/sD
.20
m/s
E.N
ot e
noug
h in
form
atio
n
15 T
he w
avel
engt
h,
, is 1
0 m
. Wha
t is t
he sp
eed
of
this
wav
e?
CT
2.1.
10 1Ti
me
(sec
)
A)1
m/s
B
)ju
st u
nder
7 m
/sC
) 10
m/s
D
) 15
m/s
E)
Non
e of
the
abov
e/no
t eno
ugh
info
/not
sur
e
CT
2.2.
3
16 W
hat i
s the
per
iod
of th
is w
ave?
a)t 1
b)t 2
c)N
ot a
t all
defin
edd)
Not
wel
l def
ined
, but
t 1 is
the
best
ans
wer
e)N
ot w
ell d
efin
ed, b
ut t 2
is th
e be
st a
nsw
er
t=0
t 1t 2
Am
p
time
17 W
hat i
s the
per
iod
of th
is w
ave?
a)t 1
b)t 2
c)t 2-
t 1d)
t 3-t 1
e)N
one
of th
e ab
ove
t 1t 2
t 3tim
e
0Am
p
t 4
18 W
hich
one
of t
he fo
llow
ing
is m
ost l
ikel
y to
be
impossible
?
A.
Tran
sver
se w
aves
in a
gas
B.
Long
itudi
nal w
aves
in a
gas
C.
Tran
sver
se w
aves
in a
solid
D.
Long
itudi
nal w
aves
in a
solid
E.Th
ey a
ll se
em p
erfe
ctly
pos
sibl
e
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