PLEASE HELP. Which of the following do you use to measure wavelengths ??

Question

anonymous · Answer

attachment

anonymous · Answer

I am thinking maybe A, or C.

anonymous · Answer

@donmath1.2

anonymous · Answer

i think B

anonymous · Answer

You were right! Thanks so much for your help. I apologize for asking so many.

anonymous · Answer

no prob 
i would love to explain though

anonymous · Answer

Please explain

anonymous · Answer

It helps me for future questions

anonymous · Answer

imagine your hands a spring 
move your handls like joining your hands in yoga namste then taking them away

anonymous · Answer

https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3Afc85b52388df51139c6a92cbc3c4bc81227f9c7cf9764c8af78abe6e%2BIMAGE_THUMB_POSTCARD%2BIMAGE_THUMB_POSTCARD.1

anonymous · Answer

the distance between successive compresion and rarefraction

anonymous · Answer

I see, in my notes I wrote that about Longitudinal waves. Do you think you could help me with one last one? It's okay if you don't want to. You're very helpful.

anonymous · Answer

sure would love to bro

anonymous · Answer

I think it is D, but I am not sure.

anonymous · Answer

lamda = C/F
c ->speed 
f-> frequency

anonymous · Answer

D is right

anonymous · Answer

So I divide the speed and frequency , and whichever is the highest is the longest wavelength ?

anonymous · Answer

yes