{"id":56451,"date":"2024-04-16T00:44:54","date_gmt":"2024-04-16T00:44:54","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=56451"},"modified":"2024-04-16T00:44:54","modified_gmt":"2024-04-16T00:44:54","slug":"according-to-the-stefan-boltzmann-law-the-radiative-energy-emitted-by-one-square-meter-of-an-object-is-equal-to-a-constant-multiplied-by-its-temperature-raised-to-the-_______-power","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/according-to-the-stefan-boltzmann-law-the-radiative-energy-emitted-by-one-square-meter-of-an-object-is-equal-to-a-constant-multiplied-by-its-temperature-raised-to-the-_______-power\/","title":{"rendered":"According to the Stefan-Boltzmann law, the radiative energy emitted by one square meter of an object is equal to a constant multiplied by its temperature raised to the _______ power."},"content":{"rendered":"

[amp_mcq option1=”Negative third” option2=”Zeroeth” option3=”Fourth” option4=”Tenth” correct=”option3″]<\/p>\n

The correct answer is C. Fourth.<\/p>\n

The Stefan-Boltzmann law states that the total energy radiated per unit surface area of a blackbody in unit time is proportional to the fourth power of the blackbody’s thermodynamic temperature, T.<\/p>\n

The Stefan-Boltzmann constant, \u00cf\u0083, is a physical constant that is used in the Stefan\u00e2\u0080\u0093Boltzmann law to calculate the amount of energy radiated by a blackbody. It is a dimensionless constant with a value of 5.670373 \u00c3\u0097 10\u00e2\u0088\u00928 W\/m2\/K4.<\/p>\n

The Stefan-Boltzmann law can be written as:<\/p>\n

E = \u00cf\u0083T4<\/p>\n

where:<\/p>\n

E is the energy radiated per unit surface area in unit time<\/p>\n

\u00cf\u0083 is the Stefan-Boltzmann constant<\/p>\n

T is the thermodynamic temperature of the blackbody<\/p>\n

The Stefan-Boltzmann law is a fundamental law of physics that is used to calculate the amount of energy radiated by a blackbody. It is a very important law in astrophysics and is used to calculate the luminosity of stars and other astronomical objects.<\/p>\n","protected":false},"excerpt":{"rendered":"

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