Electromagnetic Waves
AP Physics 2 · Flashcards · Application
AP PHYSICS 2 · FLASHCARDS
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QUESTION
Find the wavelength of a gamma ray with frequency
3
×
10
19
Hz
3 \times 10^{19} \text{ Hz}
3
×
1
0
19
Hz
.
QUESTION
Find the frequency of light with a wavelength of 600 nm in a vacuum.
QUESTION
What is the wavelength of a 100 MHz radio wave?
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ANSWER
3 m. Using
λ
=
c
/
f
\lambda = c/f
λ
=
c
/
f
with
c
=
3
×
10
8
c = 3 \times 10^8
c
=
3
×
1
0
8
m/s and
f
=
100
×
10
6
f = 100 \times 10^6
f
=
100
×
1
0
6
Hz.
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