# Constants of Quantum Physics (Grades 11-12)

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## Constants of Quantum Physics

**Instructions:**
Read each question carefully. Choose the answer that best fits the question. Short answer response questions must be responded to in complete sentences. If the question involves calculations, you must show all your math work.

1.

In quantum mechanics, the energy E of a charged atomic oscillator in the wall of a black body, is proportional to the frequency, ν, of its associated electromagnetic wave. What is the constant of proportionality?

- Boltzmann constant
- Planck’s constant
- Avogadro constant
- Quantum Gas constant

2.

Which of the following shows the correct value of the Stefan-Boltzmann constant, with correct SI units?

- [math]5.670373(21)xx10^-8Wm^-2K^-4[/math]
- [math]1.054xx10^-34Js[/math]
- [math]6.626xx10^-34Js[/math]
- [math]7.5657xx10^-16Jm^-3K^-4[/math]

3.

Which of the following formulas correctly expresses the Rydberg constant?

- [math] (h^2)/((m_e)(e^2)(k_e))[/math]
- [math]((2pi^5)(k_B^4))/((15h^3)(c^2))[/math]
- [math]((e^2)(k_e))/(2alpha_0)[/math]
- [math]((m_e)(e^4))/((8)(epsilon_0)^2(h^3)(c))[/math]

4.

The Stefan–Boltzmann constant will allow you to change temperature in units of Kelvin to units of , ([math]W/(m^2)[/math]).

- work
- intensity
- frequency
- proportionality

5.

Which of the following represents Planck's constant, h?

- [math]6.626 xx 10^-34 J•s[/math]
- [math]6.626 xx 10^-32 J•s[/math]
- [math]6.626 xx 10^-31 J•s[/math]
- [math]6.626 xx 10^-30 J•s[/math]

6.

The value of Rydberg's constant expressed in SI units is: .

7.

constant can be used to determine how much heat a blackbody emits.

- Planck's
- Stefan-Boltzmann's
- Boltzmann's
- Rydberg's

8.

constant represents the limiting value of the highest wave number of any photon that can be emitted from the hydrogen atom.

9.

Which of the following equations correctly represents an equation used to find the energy of a photon?

- [math] E = (hc)/lambda [/math]
- [math]E = hclambda[/math]
- [math] E = h c^2 [/math]
- [math] E = c/h [/math]

10.

The Rydberg constant represents the wave number of the capable of ionizing the hydrogen atom from its ground state.

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