Photoelectric Effect and Duality of Light

Flashcard
•
Physics
•
10th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the photoelectric effect?
Back
The photoelectric effect is the phenomenon where electrons are ejected from a metal surface when it is exposed to light of sufficient frequency.
2.
FLASHCARD QUESTION
Front
What is the relationship between light frequency and electron ejection?
Back
Only high-frequency light can cause the ejection of electrons from a metal surface.
3.
FLASHCARD QUESTION
Front
What happens to the number of emitted photoelectrons when the intensity of light is increased?
Back
Increasing the intensity of light increases the number of emitted photoelectrons, provided the light frequency is above the threshold frequency.
4.
FLASHCARD QUESTION
Front
Which color of light has the highest energy per photon?
Back
Violet light has the highest energy per photon.
5.
FLASHCARD QUESTION
Front
What is the threshold frequency in the context of the photoelectric effect?
Back
The threshold frequency is the minimum frequency of light required to eject electrons from a metal surface.
6.
FLASHCARD QUESTION
Front
How does wavelength relate to the energy of light?
Back
Shorter wavelengths correspond to higher energy photons, while longer wavelengths correspond to lower energy photons.
7.
FLASHCARD QUESTION
Front
What is the formula for calculating the energy of a photon?
Back
Energy (E) = h * f, where h is Planck's constant and f is the frequency of the light.
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