প্লেংকৰ ধ্ৰুৱক

h ৰ মান (২০১৯)	একক	তথ্যসূত্ৰ
6.62607015×10⁻³⁴	J⋅s	^[1]^[2]^[3]
h ৰ মান (২০১৪)	একক	তথ্যসূত্ৰ
6.626070150(81)×10⁻³⁴	J⋅s	^[4]
4.135667662(25)×10⁻¹⁵	eV⋅s	^[5]
২ $π$	E_P⋅t_P
ħ ৰ মান	একক	তথ্যসূত্ৰ
1.054571800(13)×10⁻³⁴	J⋅s	^[5]
6.582119514(40)×10⁻¹⁶	eV⋅s	^[5]
১	E_P⋅t_P
hc ৰ মান	একক	তথ্যসূত্ৰ
1.98644568×10⁻²⁵	J⋅m
1.23984193	eV⋅μm
২ $π$	E_P⋅ℓ_P
ħc ৰ মান	একক	তথ্যসূত্ৰ
3.16152649×10⁻²⁶	J⋅m
0.19732697	eV⋅μm
১	E_P⋅ℓ_P

প্লেংকৰ ধ্ৰুবক (ইংৰাজী: Planck constant) হৈছে এটা মৌলিক ধ্ৰুবক সংখ্যা যাৰ মান শক্তিৰ এক কোৱান্টামৰ অন্তৰ্নিহিত শক্তি আৰু এই কোৱান্টামৰ কম্পনাঙ্কৰ অনুপাতৰ সমান। এই ধ্ৰুবকক $\,h$ দ্বাৰা সূচিত কৰা হয়।

প্লেংকৰ ধ্ৰুবকৰ মান হ'ল ৬.৬২৬১৯৬×10^−৩৪ জুল-ছেকেণ্ড, জাৰ্মান পদাৰ্থবিজ্ঞানী মেক্স প্লেংকৰ নাম অনুসৰি এই ধ্ৰুবকৰ নামকৰণ কৰা হৈছে।

তথ্য সংগ্ৰহ

↑ "Resolutions of the 26th CGPM" (en-GB ভাষাত). BIPM. 2018-11-16. https://www.bipm.org/utils/common/pdf/CGPM-2018/26th-CGPM-Resolutions.pdf। আহৰণ কৰা হৈছে: 2018-11-20.
↑ Ghosh, Pallab (2018-11-16). "Kilogram gets a new definition" (en-GB ভাষাত). BBC News. https://www.bbc.com/news/science-environment-46143399.
↑ Veritasium (2018-11-15), The kg is dead, long live the kg, https://www.youtube.com/watch?v=c_e1wITe_ig&feature=youtu.be&t=154, আহৰণ কৰা হৈছে: 2018-11-16
↑ Schlamminger, S.; Haddad, D.; Seifert, F.; Chao, L. S.; Newell, D. B.; Liu, R.; Steiner, R. L.; Pratt, J. R. (2014). "Determination of the Planck constant using a watt balance with a superconducting magnet system at the National Institute of Standards and Technology" (en ভাষাত). Metrologia খণ্ড 51 (2): S15. doi:10.1088/0026-1394/51/2/S15. ISSN 0026-1394.
↑ ^5.0 ^5.1 ^5.2 Barry N. Taylor of the Data Center in close collaboration with Peter J. Mohr of the Physical Measurement Laboratory's Atomic Physics Division, Termed the "2014 CODATA recommended values," they are generally recognized worldwide for use in all fields of science and technology. The values became available on 25 June 2015 and replaced the 2010 CODATA set. They are based on all of the data available through 31 December 2014. Available: http://physics.nist.gov

[1] "Resolutions of the 26th CGPM" (en-GB ভাষাত). BIPM. 2018-11-16. https://www.bipm.org/utils/common/pdf/CGPM-2018/26th-CGPM-Resolutions.pdf। আহৰণ কৰা হৈছে: 2018-11-20.

[2] Ghosh, Pallab (2018-11-16). "Kilogram gets a new definition" (en-GB ভাষাত). BBC News. https://www.bbc.com/news/science-environment-46143399.

[3] Veritasium (2018-11-15), The kg is dead, long live the kg, https://www.youtube.com/watch?v=c_e1wITe_ig&feature=youtu.be&t=154, আহৰণ কৰা হৈছে: 2018-11-16

[Schlamminger_2014-4] Schlamminger, S.; Haddad, D.; Seifert, F.; Chao, L. S.; Newell, D. B.; Liu, R.; Steiner, R. L.; Pratt, J. R. (2014). "Determination of the Planck constant using a watt balance with a superconducting magnet system at the National Institute of Standards and Technology" (en ভাষাত). Metrologia খণ্ড 51 (2): S15. doi:10.1088/0026-1394/51/2/S15. ISSN 0026-1394.

[2014_CODATA-5] 5.0 ^5.1 ^5.2 Barry N. Taylor of the Data Center in close collaboration with Peter J. Mohr of the Physical Measurement Laboratory's Atomic Physics Division, Termed the "2014 CODATA recommended values," they are generally recognized worldwide for use in all fields of science and technology. The values became available on 25 June 2015 and replaced the 2010 CODATA set. They are based on all of the data available through 31 December 2014. Available: http://physics.nist.gov

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