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WorksheetsAssessment topic 8
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
1. Who gave the idea of matter wave?
a)
De-Broglie
b)
Planck
c)
Einstein
d)
Huygen
2.
2. De Broglie equation
a)
Relates the momentum of a mass to its wavelength
b)
Relates the energy of a mass to its wavelength
c)
Relates the frequency of a mass to its wavelength
d)
Relates the work function of a mass to its wavelength
3.
3. If waves can behave like particles, then particles can behave like a wave. This is the idea behind...
a)
Quantization of Energy
b)
Compton Effect
c)
Photoelectric Effect
d)
De Broglie Waves
4.
4. Experiments on which of the following suggested the wave nature of electrons?
a)
the photoelectric effect
b)
β− decay
c)
electron diffraction by a crystalline material
5.
5. Only the wave theory of light offers an explanation for the ability of light to exhibit...
a)
Photo luminescence
b)
Diffraction
c)
Reflection
d)
Illumination
6.
6. 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
7.
7. What is Planck's Constant?
a)
A
b)
B
c)
C
d)
D
8.
8. Velocity of a body of mass m, having de Broglie wavelength λ, is given by
a)
A
b)
B
c)
C
d)
D
9.
9. Which of these (having same kinetic energy) has the largest de Broglie wavelength?
a)
Electron
b)
Alpha particle
c)
Proton
d)
Neutron
10.
10. In an electron microscope, the greater the ___________________, the smaller the field you are actually viewing.
a)
Detail
b)
Magnification
c)
Objective
d)
Body
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