Respuesta :
Answer:
Option A, Planck’s constant
Explanation:
Complete question
The slope of a graph of photon energy versus photon frequency represents
A) Planck’s constant
B) the mass of a photon
C) the speed of light
D) the speed of light squared
Solution
It is well known that when an electron jumps from one energy level (i.e higher energy level) to another energy level (i.e lower energy level), energy is released. This can be presented mathematically as
[tex]f= \frac{E_2 - E_1}{h} \\[/tex]
Where [tex]E_2 , E_1[/tex] is the energy of higher and lower energy levels respectively
and h is the Planck’s constant.
If the energy and frequency are plotted in a curve, then the slope of this curve will represents the Planck’s constant
Thus, option A is correct
The slope of a graph of photon energy versus photon frequency represents Planck’s constant.
What is photon?
The light falls on any object in the form of energy packets. They are called photons. They have their energy and frequency.
When an electron jumps from higher energy level to lower energy level, energy is released. Then, change in energy is
E₁ -E₂ =h(f₁ -f₂)
Where is the energy of higher and lower energy levels respectively
and h is the Planck’s constant.
h = (E₁ -E₂) / (f₁ -f₂)
If the energy and frequency are plotted in a curve, then the slope of this curve will represents the Planck’s constant.
Learn more about photon.
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