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Understanding the Planck's Law of Black-body Radiation

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Table for Curve 1
Table for Curve 2
Table for Wien's Displacement Law
  • “Modern Physics”, 4th Edition by Kenneth S. Krane. Year of Publication: 2019 Publisher: Wiley
  • "Introduction to Solid State Physics" by Charles Kittel Year of Publication: 2004 Publisher: Wiley
  • "Introduction to Quantum Mechanics" by David J. Griffiths Year of Publication: 2004 Publisher: Pearson
  • "An Introduction to Thermal Physics" by Daniel V. Schroeder Year of Publication: 2000 Publisher: Addison-Wesley
  • "Thermal Physics: Concepts and Practice" by Allen L. Wasserman Year of Publication: 2018 Publisher: CRC Press
  • Source code available at "https://github.com/edwardball/academo.org"
Q 01: According to Planck`s Law, the spectral energy distribution of black-body radiation depends on:
  • (A) Temperature
  • (B) Mass
  • (C) Velocity
  • (D) Charge

Q 02: The term "black body" refers to an object that:
  • (A) Absorbs all incident radiation
  • (B) Reflects all incident radiation
  • (C) Emits radiation at specific frequencies
  • (D) Transmits radiation without absorption

Q 03: Planck`s Law of Black-body Radiation was developed by:
  • (A) Albert Einstein
  • (B) Max Planck
  • (C) Isaac Newton
  • (D) James Clerk Maxwell

Q 04: The wavelength at which the peak intensity of radiation occurs is determined by:
  • (A) Temperature
  • (B) Pressure
  • (C) Density
  • (D) Volume

Q 05: The equation for Planck`s Law of Black-body Radiation involves which fundamental constant?
  • (A) Planck`s constant
  • (B) Gravitational constant
  • (C) Avogadro`s constant
  • (D) Speed of light

Q 06: As the temperature of a black body increases, the peak intensity of radiation shifts towards:
  • (A) Longer wavelengths
  • (B) Shorter wavelengths
  • (C) Constant wavelength
  • (D) No shift in wavelength

Q 07: Planck`s Law helped resolve which problem encountered by classical physics?
  • (A) Ultraviolet catastrophe
  • (B) Photoelectric effect
  • (C) Wave-particle duality
  • (D) Uncertainty principle

Q 08: The temperature of a black body can be estimated by analysing the:
  • (A) Total emitted power
  • (B) Peak wavelength of radiation
  • (C) Polarization of radiation
  • (D) Refractive index of radiation

Q 09: In the Planck`s Law equation, what does the term "kB" represent?
  • (A) Boltzmann`s constant
  • (B) Planck`s constant
  • (C) Speed of light
  • (D) Permittivity of free space

Q 10: Planck`s Law of Black-body Radiation laid the foundation for understanding the behaviour of:
  • (A) Electromagnetic waves
  • (B) Sound waves
  • (C) Gravitational waves
  • (D) Quantum particles