Green light has a frequency of about 6.00 x 10^14 s-1 . What is the energy...
4 sigfig
E=J
If you have time can you answer this one too??
Hospital X-ray generators emit X rays with wavelength of about 15.0 nanometers (), where 1 nm = 10^9 m. What is the energy of a photon in an X ray?
Express answer in joules.
And please show me all the details on how you arrived to your answers. Thank you very much!
Homework Answers
The concept used to solve this problem is based on the energy of a photon.
The energy of the photons is calculated using the Planck’s law when their frequency is known. The energy can also be calculated when only the wavelength is known. The wave equation is used to first calculate the frequency and then it is substituted in the Planck’s equation.
The energy of a photon can be calculated using the Planck’s equation:
Here, 
is the energy of photons 
, 
is the Planck’s constant 
and 
is the frequency of the photon 
.
The relationship between the speed of the light, frequency and wavelength is provided by the wave equation:
Here, 
is the speed of light 
, 
is the wavelength of the photon and 
is the frequency.
Part 1
It is known that the frequency 
of the green light is
.
According to Planck’s equation,
Substitute 
for 
and 
for Planck’s constant
.
Part 2
It is known that the wavelength of the X-ray is 
.
Since,
Therefore,
According to Planck’s equation,
According to wave equation,
The equation can be rewritten as:
Substitute this expression of frequency in the Planck’s equation.
Substitute 
for Planck’s constant , 
for 
and 
for 
in the above expression.
Part 1
AnswerThe energy of a photon of green light is 
.
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Green light has a frequency of about 6.00 x 10^14 s-1 . What is the energy...
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a)Calculate the broadcast wavelength of the radio station 89.90 FM? b)Green light has a frequency of about 6.00×1014s−1. What is the energy of a photon of green light? c)Hospital X-ray generators emit X-rays with wavelength of about 15.0 nanometers (nm), where 1nm=10−9m. What is the energy of a photon of the X-rays?
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wavelength, which is the distance from peak to peak or
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Part B Green light has a frequency of about 6.00 x 1014 s1.What is the energy of a photon of green...
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trough to trough. Wavelength, typically given the symbol λ
(lowercase Greek "lambda"), is usually measured in meters. Every
wave also has a frequency, which is the number of
wavelengths that pass a certain point during a given period of
time. Frequency, given the symbol...
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