Question

Will give medal and fan!!!!!!!!!!!!!! An electromagnetic wave in a vacuum has a wavelength of 0.07 m. What is its frequency? (1 point)
f = 3.0 • 108 m/s
f = 4.3 • 109 Hz
f = 3.0 • 109 Hz
f = 4.3 • 108 m/s

Answer 1

@paki
@bohotness
@StudyGurl14
@iGreen
@shira_lew

Answer 2

answer choices

f = 3.0 • 108 m/s
f = 4.3 • 109 Hz
f = 3.0 • 109 Hz
f = 4.3 • 108 m/s

Answer 3

@inowalst

Answer 4

@EclipsedStar

Answer 5

\[\color{green}{v = f \lambda}\] Use c, the speed of light and solve for f.

Answer 6

is it f = 4.3 • 109 Hz

Answer 7

@ghuczek

Answer 8

@ghuczek are you still there

Answer 9

if your not going to answer i'll just close this question then

Answer 10

@ghuczek

Answer 11

I was unavoidably detained. Sorry. I got the same answer you posted.

Answer 12

its ok thanks though @ghuczek