期刊: EUROPEAN JOURNAL OF PHYSICS, 2021; 42 (3)
The 32nd International Young Physicists' Tournament (IYPT), a physics competition for students in schools, settled up a problem for the Moire thread c......
期刊: EUROPEAN JOURNAL OF PHYSICS, 2021; 42 (4)
In the usual process of teaching students about the electromagnetic field, students often have difficulty in understanding the propagation process of ......
期刊: EUROPEAN JOURNAL OF PHYSICS, 2021; 42 (5)
The adiabatic process is an old topic, which does not excite energy transitions and entropy changes in quantum systems. For undergraduate students, th......
期刊: EUROPEAN JOURNAL OF PHYSICS, 2021; 42 (5)
The envelope of the orbits of particles released with the same speed but in different directions from a point in an attractive or repulsive Coulomb fi......
期刊: EUROPEAN JOURNAL OF PHYSICS, 2021; 42 (3)
We investigate the constraint problem of a small ring on non-smooth elliptical orbits. The influence mechanism of the orbital shapes on the motion vel......
期刊: EUROPEAN JOURNAL OF PHYSICS, 2021; 42 (4)
We investigate the looping pendulum phenomenon proposed by the International Young Physicists' tournament (IYPT) in 2019 with experiments and theoreti......
期刊: EUROPEAN JOURNAL OF PHYSICS, 2021; 42 (5)
A Timoshenko oscillator consists of an object set into motion through two opposite frictions of its rotating cylindrical supports. Coulomb's law of fr......
期刊: EUROPEAN JOURNAL OF PHYSICS, 2021; 42 (4)
Quantum mechanics is one of the basic theories of modern physics. Here, the famous Schrodinger equation and the differential operators representing me......
期刊: EUROPEAN JOURNAL OF PHYSICS, 2021; 42 (5)
Naked-eye observations of visible spectra using a transmission-grating-based spectrometer, with the spectral resolution of 0.2 nm @ 550 nm, are report......
期刊: EUROPEAN JOURNAL OF PHYSICS, 2021; 42 (5)
A general Matlab program is designed to simulate the Fraunhofer diffraction patterns of a vortex beam through any apertures, which are usually used to......
期刊: EUROPEAN JOURNAL OF PHYSICS, 2021; 42 (2)
Spin is an important component of figure skating, one of the most elegant events in the Winter Olympic Games. It is always presented as an example of ......
期刊: EUROPEAN JOURNAL OF PHYSICS, 2021; 42 (3)
An undergraduate-level student experiment has been designed and implemented to measure the forward-backward asymmetry of the decay of the cosmic-ray m......
期刊: EUROPEAN JOURNAL OF PHYSICS, 2021; 42 (3)
We present a simple approach, different from approaches in the literature, for calculating the magnetic field of a finite solenoid with a circular cro......
期刊: EUROPEAN JOURNAL OF PHYSICS, 2021; 42 (1)
In college physics experiments, a pendulum is often applied to measure the moment of inertia (J) of a rigid body. In this paper, we demonstrate a trif......
期刊: EUROPEAN JOURNAL OF PHYSICS, 2021; 42 (1)
We investigate the behavior of two-dimensional resistor networks, with finite sizes and different kinds (rectangular, hexagonal, and triangular) of la......