Udayanandan Kandoth Murkoth
Sree Narayana College, India

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Teaching first order phase transition using a zipper model Reshma Perayil; Udayanandan Kandoth Murkoth; Prasanth Pulinchery
Momentum: Physics Education Journal Vol. 6 No. 1 (2022)
Publisher : Universitas PGRI Kanjuruhan Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21067/mpej.v6i1.5850

Abstract

In 1968, Kittel published the zipper model for demonstrating the first order phase transition which is applicable to DNA like structures. This paper utilize this model to explain the behavior of many thermodynamic properties before, at and after phase transition to get a clear picture about what the changes are happening to the system during phase transition. Many textbooks say that entropy and volume show discontinuity at phase transition whereas Gibbs free energy is continuous. The zipper model shows that energy is also discontinuous as shown in the paper. Understanding the phase transition is still a difficult topic for the undergraduate students and hopefully this paper can help them to overcome this difficulty.
Introducing "Physics of music" to students using free software Nishanth Pothiyodath; Udayanandan Kandoth Murkoth
Momentum: Physics Education Journal Vol. 6 No. 1 (2022)
Publisher : Universitas PGRI Kanjuruhan Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21067/mpej.v6i1.6020

Abstract

Many consider physics to be a highly mathematical oriented subject to study. To break this opinion and also to generate a deep interest in physics, a course on ‘Physics of Music’ can be introduced at any level of a curriculum. We present a simple and practical way of introducing this topic even for school level students. Teachers, along with students, can visualise and feel physics all time throughout the course.
Fractals and music Nishanth Pothiyodath; Udayanandan Kandoth Murkoth
Momentum: Physics Education Journal Vol. 6 No. 2 (2022)
Publisher : Universitas PGRI Kanjuruhan Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21067/mpej.v6i2.6796

Abstract

Many natural phenomena we find in our surroundings, are fractals. Studying and learning about fractals in classrooms is always a challenge for both teachers and students. We here show that the sound of musical instruments can be used as a good resource in the laboratory to study fractals. Measurement of fractal dimension which indicates how much fractal content is there, is always uncomfortable, because of the size of the objects like coastlines and mountains. A simple fractal source is always desirable in laboratories. Music serves to be a very simple and effective source for fractal dimension measurement. In this paper, we are suggesting that music which has an inherent fractal nature can be used as an object in classrooms to measure fractal dimensions. To find the fractal dimension we used the box-counting method. We studied the sound produced by different stringed instruments and some common noises. For good musical sound, the fractal dimension obtained is around 1.6882.