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# Eleventh Grade (Grade 11) Quantum Physics and the Atom Questions

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Grade 11 Quantum Physics and the Atom
Grade 11 Quantum Physics and the Atom
Which of the following formed the basis for the old quantum theory?
1. Bohr’s atomic model
2. Schrodinger’s model
3. Wien’s hypothesis
4. Planck’s law
Grade 11 Quantum Physics and the Atom
Which SI unit is used for Planck's constant?
1. Joule meter
2. Newton per second
3. Newton second
4. Joule second
Grade 11 Quantum Physics and the Atom
The strong nuclear force has several properties that determine its effect on atomic particles including all of the following EXCEPT
1. it is only attractive, never repulsive.
2. it acts on both charged and neutral particles.
3. it acts on protons, neutrons, and electrons to hold the nucleus together.
4. it is a short-range force.
Grade 11 Quantum Physics and the Atom
A particle's De Broglie wavelength, $lambda$, shows the ratio between Planck's constant and which of the following?
1. linear momentum of a particle
2. angular acceleration of a particle
3. mass of a particle
4. energy state of a particle
Grade 11 Quantum Physics and the Atom
Grade 11 Quantum Physics and the Atom
Grade 11 Quantum Physics and the Atom
Quantum physics examines how energy and matter behave at                          .
1. absolute zero temperature
2. dynamic equilibrium
3. a macroscopic level
4. a microscopic level
Grade 11 Quantum Physics and the Atom
Grade 11 Quantum Physics and the Atom
Which of the following equations correctly represents an equation used to find the energy of a photon?
1. $E = (hc)/lambda$
2. $E = hclambda$
3. $E = h c^2$
4. $E = c/h$
Grade 11 Quantum Physics and the Atom
Planck’s constant is a constant that exists on what scale?
1. macroscopic
2. statistical
3. atomic
4. subatomic
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