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WorksheetsLight Duality and Planck
Total questions: 10
Worksheet time: 12mins
Name
Class
Date
1.
Youngs double slit relies on the _______ of light.
a)
dampening
b)
interference
c)
refraction
d)
reflection
2.
As the frequency of an electromagnetic wave increases, the amount of energy in that wave...
a)
increases.
b)
decreases.
c)
stays the same.
3.
The wave-particle duality of light describes light as...
a)
a wave only
b)
a particle only
c)
both a wave and a particle
d)
neither a wave nor a particle
4.
The equation that shows the relationship between the energy of light and frequency is:
a)
c= λ⋅f
b)
E=h⋅f
5.
Calculate the energy of a gamma ray photon whose frequency is 5.02 x 1020 Hz?
a)
4.73 x 1072 eV
b)
2.07 x 10 6 eV
c)
3.33 x 10-13 eV
d)
1.21 x 10 35 eV
6.
What is the energy of light whose wavelength is 4.06 x 10-11 m?
a)
2.69 x 10-44 eV
b)
4.89 x 10-15 eV
c)
3.06 x 10 4 eV
d)
5.04 x 10-17 eV
7.
A particle of light is called a photon.
a)
True
b)
False
8.
A ____ is a discrete, quantized bundle of energy
a)
Photoelectric effect
b)
Photon
c)
Quantized
d)
Proton
9.
Only the wave theory of light offers an explanation for the ability of light to exhibit...
a)
diffraction.
b)
reflection.
c)
photoluminescence.
d)
illumination.
10.
1 eV is equal to
a)
1.6 × 10-19 J
b)
2.0 × 10-20 J
c)
3 J
d)
4 J
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