Question

▶What is photoelectric effect!?

▶state any four properties of photons

▶ On increasing the intensity of light
a)will the Energy of the photon change!?
b) will the no of photoelectrons emitted per second change!?

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Answer 1

Explanation:

→ Photoelectric Effect

The photoelectric effect refers to the emission, or ejection, of electrons from the surface of, generally, a metal in response to incident light.

The basic properties of photons are:

1. They have zero mass and rest energy. ...
2. They are elementary particles despite lacking rest mass.
3. They have no electric charge.
4. They are stable.

Answer 2

Explanation:

What is photoelectric effect!?

→The photoelectric effect is the emission of electrons or other free carriers when electromagnetic radiation, like light, hits a material. ... Below that threshold, no electrons are emitted from the material, regardless of the light intensity or the length of time of exposure to the light.

state any four properties of photons:

The basic properties of photons are:

• The basic properties of photons are:They have zero mass and rest energy. ...
• The basic properties of photons are:They have zero mass and rest energy. ...They are elementary particles despite lacking rest mass.
• The basic properties of photons are:They have zero mass and rest energy. ...They are elementary particles despite lacking rest mass.They have no electric charge.
• The basic properties of photons are:They have zero mass and rest energy. ...They are elementary particles despite lacking rest mass.They have no electric charge.They are stable.
• The basic properties of photons are:They have zero mass and rest energy. ...They are elementary particles despite lacking rest mass.They have no electric charge.They are stable.They are spin-1 particles which makes them bosons.
• The basic properties of photons are:They have zero mass and rest energy. ...They are elementary particles despite lacking rest mass.They have no electric charge.They are stable.They are spin-1 particles which makes them bosons.They carry energy and momentum which are dependent on the frequency.