Boltzmann Contoh Soal X Suatu benda hitam memiliki suhu 27°C dan mengalami radiasi Hukum dengan intensitas Stefan 4. Luas penampang benda itu 5. Berdasarkan prinsip tumbukan dalam tinjauan. mekanika klasik, maka pada tumbukan antara foton dan elektron akan diperoleh ketidakpastian. 18, 21, 26 Hukum pendinginan Newton, pengaliran Fourier, Stefan- Boltzmann, Kad penunjuk, 91 Kaedah kerja minimum, 8 Kapasiti penyejukan .

Author: Shakaramar Moogular
Country: Bosnia & Herzegovina
Language: English (Spanish)
Genre: Education
Published (Last): 16 November 2014
Pages: 90
PDF File Size: 18.67 Mb
ePub File Size: 17.64 Mb
ISBN: 472-5-94899-427-3
Downloads: 35232
Price: Free* [*Free Regsitration Required]
Uploader: Kazisida

Precise measurements of atmospheric absorption sstefan not made until and English words that begin with ste. Conference on Lasers and Electro-Optics Thermodynamic properties of systems are eventually measured with a given density of particles. Stefan BoltzmannShape Factor Documents. Both surfaces, cold and warm, radiate at a rate: Radius of the Sun: One thing is clear: Hence, the Maxwell-Boltzmann distribution and The same result, of course, we would get if bo,tzmann start from the equation for the average nk in Boltzmann statistics: What are the SI and cgs units of Stefan’s constant?

Economic Returns to Land Resources: Hence the validity of Stefan’s law is established. Panas jenis per gram atom zat padat: Diterbitkan oleh Rudhy Hermanto Telah diubah “4 tahun yang lalu. InIrish physicist John Tyndall presented measurements of the infrared emission tsefan a platinum filament and the corresponding color of the filament: Jadi benda atau ruang yang hitam pekat menerima semua radiasi yang dipancarkan benda lain tanpa memantulkannya, memanaskan dirinya sendiri, kemudian melepaskan semua energinya bergantung temperaturnya sendiri.

Tentang proyek SlidePlayer Syarat penggunaan. The law is also met in the thermodynamics of black holes in so-called Hawking radiation. In the above discussion, we have assumed that the whole surface of the huum is at one temperature.

  CIRSOC 102 82 PDF

Meaning of “Stefan’s law” in the English dictionary. We can hukim of the earth’s surface as “trying” to reach equilibrium temperature during the day, but being cooled by the atmosphere, and “trying” to reach equilibrium with starlight and possibly moonlight at night, but being warmed by the atmosphere.

The definition of Stefan’s law in the dictionary is the principle that the energy radiated per second by unit area of a black ztefan at thermodynamic temperature T is directly proportional to T4.

Resume Eksperimen Stefan Boltzmann

Published on Dec View Download The walls emit and absorb e. Australian Telescope Outreach and Sttefan. Any radiation field is a superposition of plane waves of different frequencies. The above temperature is Earth’s as seen from space, not ground temperature but an average over all emitting bodies of Earth from surface to high altitude. The law can be derived by considering a small flat black body surface radiating out into a half-sphere.

Wavelength- and subwavelength-scale particles, [1] metamaterials[2] and other nanostructures are not subject to ray-optical limits and may be designed to exceed the Stefan—Boltzmann law.

Above the atmosphere, the result is even higher: Absorption and scattering of light by small particles. The essential difference between the photon gas and the ideal gas of molecules: The SI unit for absolute temperature T is the kelvin. Dan e adalah emisivitas, dimana nilai e untuk benda hitam adalah 1.

From Wikipedia, the free encyclopedia. T This fact leads to the concept of photons as quanta of the electromagnetic field.


A real surface absorbs only a fraction of the radiation falling on it. Tugas ResumeKhodijah Amini M Eksperimen Stefan BoltzmannHukum Stefan – Boltzmann “Jika suatu benda hitam memancarkan kalor, maka intensitas pemancaran kalor tersebut sebanding-laras dengan pangkat empat dari temperatur absolut”. By using this site, you agree to the Terms of Use and Privacy Policy.

Stefan–Boltzmann law – Wikipedia

If the particles are fermions, n can only be 0 or 1: Energi radiasi setiap detik per satuan luas disebut sebagai Intensitas Radiasi dan diberi lambang I.

The integral on the right is standard and goes by many names: V K Goel, Rapat Keadaan Foton kz kx stfan extra factor of 2: Laws of thermodynamics Power laws Heat transfer. At Earth, this energy is passing through a sphere with a radius of a 0the distance between the Earth and the Sun, and the irradiance received power per unit area is given by.

Emisivitas adalah satuan yang tidak berdimensi Pada umumnya, semakin kasar dan hitam benda tersebut, emisivitas meningkat mendekati 1.

Jadi rongga ini berkelakuan sebagai benda hitam karena dapat menyerap seluruh radiasi yang diterimanya. The effect of albedo on temperature can be approximated by assuming that the energy absorbed is multiplied by 0. Thus, while the temperature climbed only somewhat more than double, the intensity of the radiation increased from