Calculate the total energy carried by ten photons when a photon has a frequency of 23Hz.
Answers
Answered by
6
Explanation:
You use either the formula
E
=
h
f
or
E
=
h
c
λ
.
Explanation:
h
is Planck's Constant,
f
is the frequency,
c
is the speed of light, and λ is the wavelength of the radiation.
EXAMPLE 1
Calculate the energy of a photon of radiation whose frequency is
5.00
×
10
14
Hz
.
Solution 1
E
=
h
f
=
6.626
×
10
−
34
J
⋅
s
×
5.00
×
10
14
s
−
1
=
3.31
×
10
−
19
J
The energy is
3.31
×
10
−
19
J
.
EXAMPLE 2
Calculate the energy of a photon of radiation that has a wavelength of 3.3 µm.
Solution 2
E
=
h
c
λ
=
6.626
×
10
−
34
J
⋅
s
×
2.998
×
10
8
m⋅s
−
1
3.3
×
10
−
6
m
=
6.0
×
10
−
20
J
Here's a video on how to find the energy of a photon with a given wavelength.
Answered by
0
Answer:
E
=
h
f
or
E
=
h
c
λ
.
Explanation:
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