07-06-2019
Physics

contestada

PLEAAAAAASE HELPPPP ON THIS ONE SOMEONE!!

PLEAAAAAASE HELPPPP ON THIS ONE SOMEONE class=

Respuesta :

09-06-2019

Answer:

A

Explanation:

v = 3*10^8

f = 4*10^18

wavelength = v/f

=3*10^8 / 4*10 ^18

=7.5*10^-11

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