In the photoelectric effect, what happens when light of sufficient frequency hit

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Question: In the photoelectric effect, what happens when light of sufficient frequency hits a metal surface?

Options:

Correct Answer: Electrons are emitted from the surface

Solution:

When light of sufficient frequency hits a metal surface, it can provide enough energy to eject electrons from the metal.

In the photoelectric effect, what happens when light of sufficient frequency hits a metal surface?

In the photoelectric effect, what happens when light of sufficient frequency hits a metal surface?

Step 1: Understand that light is made up of tiny particles called photons.
Step 2: Know that each photon has a certain amount of energy, which depends on its frequency (how fast the light waves oscillate).
Step 3: Recognize that metals have electrons that are loosely bound to their atoms.
Step 4: Learn that if the frequency of the incoming light is high enough, the energy of the photons can overcome the attraction of the electrons to the metal.
Step 5: When the light hits the metal surface, the photons transfer their energy to the electrons.
Step 6: If the energy is sufficient, the electrons gain enough energy to break free from the metal surface.
Step 7: The ejected electrons are called photoelectrons.

Photoelectric Effect – The phenomenon where light of sufficient frequency causes the ejection of electrons from a metal surface.
Threshold Frequency – The minimum frequency of light required to eject electrons from a metal.
Photon Energy – The energy of a photon is directly proportional to its frequency, as described by the equation E = hf.