Releasing Electrons with a color filter

In summary, the conversation discusses the question of how to release electrons from the cathode using a color filter in the photoelectric effect. The conversation also touches on the concept of wave-particle duality and the use of a color filter in the experiment. Further information can be found by researching the work function of metals.
  • #1
wiegetz
20
0

Homework Statement



Simple question we have to answer:

(Physics) How do I release the electrons from the cathode with a color filter? (The so called
Photoelectric effect)

Homework Equations



none

The Attempt at a Solution

[/B]

Here we have a conflict , the so called wave-particle duality, if I recall it correct.

I have no idea what could cause to release the electrons from the photocell. In the experiment the light lost voltage after inserting a color filter, making the electrons release from the photocell. (cathode and anode)

But why exactly, I cannot imagine. Perhaps because the color filter absorbs the electrons? (Makes no sense though.)
 
Physics news on Phys.org
  • #2
Google "work function of metals" for info.
 
  • #3
What do you mean by the
wiegetz said:
the light lost voltage
?
 

1. How does a color filter release electrons?

A color filter releases electrons by selectively allowing only certain wavelengths of light to pass through it. When light of a particular wavelength hits the filter, it absorbs the energy from the light and uses it to release electrons from a material, such as a semiconductor.

2. What is the purpose of releasing electrons with a color filter?

The purpose of releasing electrons with a color filter is to harness the energy of light and convert it into electrical energy. This process is commonly used in solar panels, where the released electrons are captured and used to generate electricity.

3. Can any color filter release electrons?

No, only specific types of color filters, such as those made from materials like silicon or gallium arsenide, are capable of releasing electrons. These materials have the ability to absorb light and release electrons, making them ideal for use in solar cells or other devices that convert light into electricity.

4. How does the color of the filter affect the release of electrons?

The color of the filter directly affects the release of electrons because different colors of light have different wavelengths and energies. Some colors, such as red and blue, have higher energy levels and can release more electrons than other colors. The material of the filter also plays a role in determining which colors are able to release electrons.

5. Are there any limitations to releasing electrons with a color filter?

Yes, there are some limitations to this process. For example, the efficiency of the color filter in releasing electrons decreases as the temperature increases. Additionally, not all of the energy from the light hitting the filter is converted into electrical energy, so there is some loss of energy in the process.

Similar threads

Photoelectric effect confusion
    • Introductory Physics Homework Help
2
Replies
35
Views
1K
Electrons and their little role in nuclear physics
    • Introductory Physics Homework Help
Replies
1
Views
755
Wave Particle Duality For Electrons and Photons
    • Introductory Physics Homework Help
Replies
2
Views
1K
I "Wave-particle duality" and double-slit experiment
    • Quantum Physics
2
Replies
36
Views
1K
I Question about the Photoelectric Effect and the Work Function of a Metal
    • Quantum Physics
Replies
5
Views
652
Photoelectric effect at wavelength 492nm for mercury
    • Introductory Physics Homework Help
Replies
4
Views
3K
B Quantum field theory and wave particle duality
    • Quantum Physics
Replies
2
Views
1K
Effect of resistance on photoelectric current
    • Introductory Physics Homework Help
Replies
1
Views
2K
I Photoelectric effect and Saturation Current
    • Quantum Physics
Replies
12
Views
749
Confused about derivation of E=(V-IR)/L, multiple choice problem
    • Introductory Physics Homework Help
Replies
3
Views
3K

Hot Threads

Recent Insights

Back
Top