Algorithm based determination of the Planck’s constant
In this paper we report a novel method for determining the Planck’s constant experimentally. We have determined the Planck’s constant using light emitting diodes (LEDs) of four different colours (Red, Green, Yellow and Blue) with the aid of a python programming. The LEDs were not provided with a spe...
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| Published in | Physics education Vol. 58; no. 4; pp. 45003 - 45010 |
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| Main Authors | , , , , , |
| Format | Journal Article |
| Language | English |
| Published |
Brecon
IOP Publishing
01.07.2023
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| Subjects | |
| Online Access | Get full text |
| ISSN | 0031-9120 1361-6552 |
| DOI | 10.1088/1361-6552/acd31c |
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| Abstract | In this paper we report a novel method for determining the Planck’s constant experimentally. We have determined the Planck’s constant using light emitting diodes (LEDs) of four different colours (Red, Green, Yellow and Blue) with the aid of a python programming. The LEDs were not provided with a specific wavelength value, and they could have any arbitrary wavelength in their respective colour bands. We determined the wavelengths of the LED lights using a Python program and calculated the value of the Planck’s constant using them. The value obtained was compared with the Planck’s constant value determined using a traditional method being followed in undergraduate labs and its actual value. The relative error while reporting the value of Planck’s constant using traditional method was around 18% which was reduced to 6% by using the method reported in the present study. |
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| AbstractList | In this paper we report a novel method for determining the Planck’s constant experimentally. We have determined the Planck’s constant using light emitting diodes (LEDs) of four different colours (Red, Green, Yellow and Blue) with the aid of a python programming. The LEDs were not provided with a specific wavelength value, and they could have any arbitrary wavelength in their respective colour bands. We determined the wavelengths of the LED lights using a Python program and calculated the value of the Planck’s constant using them. The value obtained was compared with the Planck’s constant value determined using a traditional method being followed in undergraduate labs and its actual value. The relative error while reporting the value of Planck’s constant using traditional method was around 18% which was reduced to 6% by using the method reported in the present study. |
| Author | Korpal, Smita Arora, Ajay Kumar Anand, Jyoti Haridas, Divya Verma, Maya Aggarwal, Anmol |
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| References_xml | – volume: vol 55 start-page: 1 year: 2020 ident: pedacd31cbib15 article-title: Determining Planck’s constant with LEDs—what could possibly go wrong? doi: 10.1088/1361-6552/ab525d – volume: 35 start-page: 261 year: 1997 ident: pedacd31cbib9 article-title: Apparatus for LED measurement of Planck’s constant publication-title: Phys. Teach. doi: 10.1119/1.2344673 – year: 2011 ident: pedacd31cbib14 – volume: vol 34 start-page: 819 year: 2013 ident: pedacd31cbib16 article-title: Analysis of LED data for the measurement of Planck’s constant in the undergraduate laboratory doi: 10.1088/0143-0807/34/4/819 – volume: 8 start-page: 198 year: 2020 ident: pedacd31cbib2 article-title: Measuring Planck’s constant using light emitting diodes publication-title: J. Phys. Astron. doi: 10.37532/2320-6756.2020.8(3).198 – volume: 68 start-page: 879 year: 2016 ident: pedacd31cbib13 article-title: Using the Vee heuristic in laboratory classroom for teaching and learning physics of photonic devices publication-title: Roman. Rep. Phys. – volume: 35 start-page: 108 year: 1997 ident: pedacd31cbib10 article-title: Measuring the Planck constant with LED’s publication-title: Phys. Teach. doi: 10.1119/1.2344608 – volume: 76 year: 2013 ident: pedacd31cbib1 article-title: History and progress on accurate measurements of the Planck constant publication-title: Rep. Prog. Phys. doi: 10.1088/0034-4885/76/1/016101 – volume: 3 start-page: 2007 year: 2017 ident: pedacd31cbib4 article-title: Determination of Planck’s constant using light emitting diodes publication-title: Path Sci. doi: 10.22178/pos.27-2 – volume: 29 start-page: 530 year: 1991 ident: pedacd31cbib8 article-title: Get the LED out publication-title: Phys. Teach. doi: 10.1119/1.2343411 – volume: 44 start-page: 272 year: 2006 ident: pedacd31cbib11 article-title: The photoelectric effect using LEDs as light sources publication-title: Phys. Teach. doi: 10.1119/1.2195395 – start-page: 409 year: 2004 ident: pedacd31cbib5 article-title: Experiment for measuring Planck‘s constant using eight colored LEDs doi: 10.1142/9789812702890_0039 – volume: 46 start-page: 413 year: 2008 ident: pedacd31cbib12 article-title: Computer-based experiment for determining Planck’s constant using LEDs publication-title: Phys. Teach. doi: 10.1119/1.2981288 – volume: 54 year: 2019 ident: pedacd31cbib3 article-title: Smartphone-based measurement of the Planck’s constant with light emitting diodes publication-title: Phys. Educ. doi: 10.1088/1361-6552/ab0185 – volume: 12 start-page: 423 year: 1974 ident: pedacd31cbib7 article-title: Measuring Planck’s constant using a light emitting diode publication-title: Phys. Teach. doi: 10.1119/1.2350479 – volume: 3 start-page: 87 year: 2015 ident: pedacd31cbib6 article-title: Experimental determination of Planck’s constant using light emitting diodes (LEDs) and photoelectric effect publication-title: World J. Chem. Educ. doi: 10.12691/wjce-3-4-2 |
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| SubjectTerms | Algorithms LEDs Light emitting diodes Physics Planck’s constant Programming languages Python programming Science education |
| Title | Algorithm based determination of the Planck’s constant |
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