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Which equation was used by Albert Einstein to explain the photoelectric effect?

[tex]E = \text{energy}, \ h = \text{Planck's constant}, \ \nu = \text{frequency}[/tex]

A. [tex]E=\frac{h}{\nu}[/tex]
B. [tex]E=Aw[/tex]
C. [tex]E=\frac{\nu}{h}[/tex]
D. [tex]E=h\nu[/tex]

Sagot :

GinnyAnsweridn
The equation used by Albert Einstein to explain the photoelectric effect is:

[tex]\[E = h \times v\][/tex]

Here’s a detailed step-by-step breakdown:

1. Understanding the Photoelectric Effect:
- The photoelectric effect refers to the phenomenon where electrons are ejected from the surface of a material (usually a metal) when it is exposed to light of a certain frequency.

2. Key Variables:
- [tex]\(E\)[/tex]: The energy of the emitted electrons.
- [tex]\(h\)[/tex]: Planck's constant, a fundamental constant in quantum mechanics.
- [tex]\(v\)[/tex]: The frequency of the incident light.

3. Einstein’s Contribution:
- Einstein proposed that light could be thought of as consisting of particles called photons. Each photon has an energy proportional to its frequency.

4. Mathematical Formulation:
- Einstein’s equation for the photoelectric effect states that the energy [tex]\(E\)[/tex] of the emitted electrons is directly proportional to the frequency [tex]\(v\)[/tex] of the incident light and can be expressed as:
[tex]\[ E = h \times v \][/tex]

To summarize, the choice that represents Albert Einstein’s equation for the photoelectric effect is:

[tex]\[ \boxed{E = h \times v} \][/tex]
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