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## anonymous one year ago Which of the following kinds of electromagnetic waves has the longest wavelength? A. gamma rays B. ultraviolet light C. red light D. radio waves ***I am not sure.. would it be ultraviolet rays? :/

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1. anonymous

or sorry, radio waves? :/

2. Michele_Laino

the longest wave length are associated to the littlest frequency, since we have: $\lambda \nu = c = {\text{constant}}$

3. anonymous

ohh okay! so which one has the littlest frequency ?

4. Michele_Laino

I think radiowaves

5. anonymous

ahh okay!! thank you!! :D

6. Michele_Laino

ultraviolet waves have the highest frequency

7. anonymous

ohh so they are the shortest then?

8. Michele_Laino

yes! the ultraviolet radiation are the shortest, sorry for my previous wrong answer

9. Michele_Laino

radiations*

10. anonymous

oh! you were correct!! the question asked for longest! so that means radio waves right? :P

11. anonymous

oh i saw your other comment! :P thank you!!

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