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The Atom And The Quantum
Test Description: Chapter 38 in conceptual physics book- energy and quanta
Instructions: Answer all questions to get your test result.
1) The photoelectric effect is evidence for light's
A
both wave and particle nature
B
particle nature
C
wave nature
D
light is just energy period
2) The energy of a photon is directly proportional to its
A
amplitude
B
wavelength
C
period
D
frequency
3) The wavelength of a particle is related to the particles's
A
size
B
momentum
C
charges
D
potential energy
4) Diffraction effects cannot be measured for
A
baseballs
B
low-frequency light
C
electrons
D
water waves
5) Electron wavelengths are generally
A
longer than light wavelengths
B
shorter than light wavelengths
C
the same as light wavelengths
D
shorter than light wavelengths
6) When an atomic electron goes from a hgih emergy ste to a low energy state, it
A
emits a photon
B
absorbs a photon
C
emits an electron
D
neither absorbs or emits a photon
7) The energy states available to an electron are
A
vary
B
intermitent
C
continuous
D
quantized
8) The discrete orbits of electrons are best understood by considering the electron\'s
A
particle properties
B
charge
C
quantum properties
D
wave properties
9) Compared to the innermost electrons of an uranium atom, the innermost electron of a hydrogen atom is
A
the same distance from the nucleus
B
closer to the nucleus
C
farther from the nucleus
D
varies within the atom
10) Helium is four times as masive as hydrogen. Compared to the size of hydrogen, helium is
A
about the same size
B
smaller
C
about 4 times larger
D
about 2 times larger
*select an answer for all questions
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