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Analysis Of Completeness And Presentation Of PBL-Based Physics LKPD On Newton's Law Materials To Improve Student's Critical Thinking Nurul Yunda Nanik Purwanti; Lailatul Firdausiah; Febriana Tri Nur Suliana; Mochammad Ricky Subagya; Thalia Ajeng Ayu Kencana; Nabila Ayu Rosyidah; I Ketut Mahardika; Subiki Subiki
International Journal of Education, Language, Literature, Arts, Culture, and Social Humanities Vol. 1 No. 2 (2023): May : International Journal of Education, Language, Literature, Arts, Culture,
Publisher : FKIP, Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59024/ijellacush.v1i2.133

Abstract

This study aims to determine the feasibility of LKPD through validity activities. The research method used is descriptive quantitative research. The data was collected by providing an instrument in the form of LKPD, where the data in this study was in the form of data from the validation results of LKPD. The results of research on the validity of LKPD are based Problem Based Learning it can be seen that the average value of the total validation is 84.38% with a very good category. LKPD Physics based Problem Based Learning in class X Newton's Law material can be said to be valid and can be used as one of the teaching materials to support the physics learning process in accordance with the Independent Curriculum.
Probability of He+ Ion at Quantum Number 3 ≤ n ≤ 4 in Momentum Space Bambang Supriadi; Sisilia Nur Hikmah Anggraeni; Merry Khanza Kusuma Wardhany; Fadia Arisma Iswardani; Nabila Ayu Rosyidah; Dwi Pangesti
Jurnal Penelitian Pendidikan IPA Vol 10 No 5 (2024): May
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i5.6458

Abstract

Ions resulting from the ionization of helium atoms are known as helium ions. Atom of Helium The probability distribution of the particle locations and velocities inside a helium atom is referred to as probability. Using theoretical study methods, the goal of this research is to find the probability of an electron's position in a helium atom at the quantum number 3 ≤ n ≤ 4. This type of research is non-experimental research by developing previously existing theories. This type of research is non-experimental research by transforming the radial wave function of hydrogenic atoms in position space into a radial wave function in momentum space using the Fourier transformation, then including a number of Gegenbauer functions and using the probability equation of finding an electron in a Helium ion in momentum space. The results of this research provide information regarding the position and probability of the existence of electrons in the helium atom. The probability value for the Helium ion is obtained using the equation P(p) =   which is used to indicate the probability of finding an electron in a helium atom is directly proportional to the principal quantum number (n) and the value of the electron's momentum. The larger the electron momentum interval, the greater the probability.