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Search Results for constant - All Grades

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Grade 8 Forces and Motion
Which best describes the motion of the object recorded in data table below?
Data Table - Constant Speed
  1. it does not move
  2. it maintains a constant velocity
  3. it undergoes positive acceleration
  4. it undergoes negative acceleration
Grade 11 Quantum Physics and the Atom
What are the SI units of Planck’s constant?
  1. Joule meter
  2. Newton per second
  3. Newton second
  4. Joule second
Grade 12 Quantum Physics and the Atom
What is the correct value of Planck's constant(h) according to Planck's quantum theory?
  1. [math]h = 6.625 xx 10^-34 J[/math][math][/math]
  2. [math]h = 6.520 xx 10^-30 C[/math]
  3. [math]h = 6.645 xx 10^-25 J[/math]
  4. [math]h = 6.21 xx 10^-20 C[/math]
Grade 11 Quantum Physics and the Atom
Rydberg’s constant is expressed in the formula:
  1. [math] (h^2)/((m_e)(e^2)(k_e))[/math]
  2. [math]((2pi^5)(k_B^4))/((15h^3)(c^2))[/math]
  3. [math]((e^2)(k_e))/(2alpha_0)[/math]
  4. [math]((m_e)(e^4))/((8)(epsilon_0)^2(h^3)(c))[/math]
Grade 8 Forces and Motion
Milo created the data table based on his science experiment. What was the velocity of the object Milo was experimenting with?
Data Table - Constant Speed
  1. [math]5 m//s[/math]
  2. [math]6 m//s[/math]
  3. [math]15 m//s[/math]
  4. [math]24 m//s[/math]
Grade 11 Quantum Physics and the Atom
Grade 11 Quantum Physics and the Atom
How is the Stefan-Boltzmann constant represented?
  1. [math]del[/math]
  2. [math]phi[/math]
  3. [math]omega[/math]
  4. [math]sigma[/math]
Grade 11 Quantum Physics and the Atom
The value of the Stefan–Boltzmann constant is given in SI units by                                          .
  1. [math]5.670373(21)xx10^-8Wm^-2K^-4[/math]
  2. [math]1.054xx10^-34Js[/math]
  3. [math]6.626xx10^-34Js[/math]
  4. [math]7.5657xx10^-16Jm^-3K^-4[/math]
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