Question

C???

Answer 1

do you know what mean reflection ?

Answer 2

or C. refraction ?

Answer 3

fraction - refraction - do you understand ?

Answer 4

do you heard anytime echoes somwhere ?

Answer 5

inside a BIG room how can you making echoes ?

Answer 6

if you shout - yes ?

Answer 7

so namely your voice what make than ?

Answer 8

refracting or reflecting from the walls ?

Answer 9

reflecting

Answer 10

exactly - hope you understand it now sure

Answer 11

Thank you

Answer 12

so not is C yes ?

Answer 13

np. was my pleasure good luck

bc. C refraction mean different phenomenon

Answer 14

Okay the answer is reflection then

Answer 15

yes sure

Answer 16

D

Answer 17

echoes i ve told with you above - yes ?

Answer 18

Yes

Answer 19

So D

Answer 20

so this phenomen need being different case ? or not ?

Answer 21

no

Answer 22

i think yes

so what you think about loudness bc. than you reread the text there wrote interference of two sound waves with different frequencies

Answer 23

Im not sure :/

Answer 24

I'm confused

Answer 25

so than you hear first time a sound with a light frequancies and after a sound with a bigger frequancies - how you name this phenomenon ?

Answer 26

not loudness

Answer 27

yes - so this is C now sure

Answer 28

thank you so much

Answer 29

was my pleasure

hope you understood it now

Answer 30

i did thank you

Answer 31

can you help with more?

Answer 32

D