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Test List
Name:
PhotoElectric Effect 1
Created By:
V. Gokal
Max Time:
2 mins
Select an option for each question and click Submit
1. Which one of the following proves the particle nature of light?
polarization
diffraction
interference
photoelectric effect
2. Light is said to have a dual nature? This means that light:
is both transverse and longitudinal
experiences both diffraction and interference
has light has both wave and particle properties
displays both constructive and destructive interference
3. The particle nature of light is more pronounced:
at high wavelengths of light
at high frequencies of light
with brighter light
with dimmer light
4. A certain frequency of light is shone on a metal. No photoelectric emission of electrons occur. What would happen of the light is made brighter?
electrons would now be immediately ejected
electrons would still not be ejected
protons would be ejected
electrons would be ejected after a while
5. What is the name for the minimum amount of energy required to eject an electron from the surface of a metal?
quantum
work function
kinetic energy
threshold frequency
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