Author(s)

Mashair Ahmed Mohammed Yousif¹, Abeer Mohammed Khairy Ahmed², Zainab Mustapha Kurawa³, Omer A. M. Elnor⁴, Mubarak Dirar Abd-Alla Yagoub⁵, Ibrahim Mohammed Elfaki El-Tahir⁶, Mohammed Idriss Ahmed⁵, Zoalnoon Ahmed Abeid Allah Saad⁷

¹Department of Physics, Faculty of Science and Education at Alkurma, Taif University, Alkhurma, Kingdom of Saudi Arabia.
²Department of Physics, Faculty of Art and Science at Al Muznab, Al Qassim University, Al Muznab, Kingdom of Saudi Arabia.
³Department of Physics, School of Science Education, Saadatu Rimi College of Education, Kumbotso, Nigeria.
⁴Department of Physics, Faculty of Science, University of Bakhtalruda, Ed Dueim, Sudan.
⁵Department of Physics, Faculty of Science, Sudan University of Science and Technology, Khartoum, Sudan.
⁶Department of Natural and Applied Sciences, College of Science and Humanities at Afif, Sharga University, Afif, Kingdom of Saudi Arabia.
⁷College of Arts and Sciences, King Khalid University, Dhahran, Saudi Arabia.

Plank quantum and classical string energy relations seem to be uncorrelated. This work correlated them. The relativistic energy-momentum relation has been used together with plank and de Brogglie hypothesis to prove that the wave group velocity is equal to the particle velocity in both ordinary and curved space. The plank energy relation is shown also to be related to the classical energy relation of an oscillating string. Starting from plank energy relation for n photons and performing integration, the expression of classical string energy was obtained. This means that one can treat electromagnetic waves as a collection of continuous photons having frequencies ranging from zero to w. Conversely, starting from classical string energy relation by differentiating it with respect to angular frequency, the plank quantum energy for n photons has been found. This means that the quanta results from separation of electromagnetic waves to single isolated waves. Each wave consists of n photons or quanta.

Plank Energy, Classical Energy, String Quanta, Photons, Electromagnetic Waves, Curved Space, Group Velocity, Wave Packet

Yousif, M. , Khairy Ahmed, A. , Kurawa, Z. , Elnor, O. , Abd-Alla Yagoub, M. , El-Tahir, I. , Ahmed, M. and Allah Saad, Z. (2020) Equivalence of String Classical and Quantum Energy beside Equivalence of Wave Packet and Relativistic Velocity in Eucleadian and Curved Space. Natural Science, 12, 520-525. doi: 10.4236/ns.2020.127041.