10 citations · 33 across the 13 of their papers we have counts for
13 papers
A Simple Method of Demonstration of Characteristics of Rainbows Using a Glass of Water and a Few Laser Sources
Soumen Sarkar, Sanjoy Kumar Pal, Pradipta Panchadhyayee +2
A rainbow is a captivating natural phenomenon resulting from the refraction, dispersion, and reflection of sunlight within water droplets. Traditional classroom demonstrations ofte…
Determining Viscosity of a Liquid with Smartphone Sensors: A Classroom-Friendly Approach Using Damped Oscillations
Sanjoy Kumar Pal, Pradipta Panchadhyayee
This study presents a classroom-friendly method for measuring the coefficient of viscosity of a liquid using a smartphone s accelerometer sensor. A metallic ball tied with a spring…
Use of smartphone as a density measuring device
Sanjoy Kumar Pal, Soumen Sarkar, Pradipta Panchadhyayee
In this paper, we have proposed a simple method of measuring the density of a solid material. We have utilized the pressure sensor of a smartphone as a pressure-measuring device. B…
Demonstration of magnetic dipole-dipole interaction by using smartphone pressure sensor
Sanjoy Kumar Pal, Pradipta Panchadhyayee
In this paper, we present a hands-on activity designed to verify the dependence of the magnetic force between two identical N35 neodymium disc magnets on their separation distance.…
A smartphone-based simple method for determination of the free space permeability
Sanjoy Kumar Pal, Soumen Sarkar, Pradipta Panchadhyayee
A simple and novel method is designed to determine the free space permeability. This value is computed from the expression of the terminal velocity of a magnet falling through a co…
Determination of the acceleration due to gravity by studying magnet s motion through a conducting pipe
Sanjoy Kumar Pal, Soumen Sarkar, Pradipta Panchadhyayee
We determine the acceleration due to gravity (g) in a novel way using a magnetic sensor and video analysis technique of a smartphone. The same applications are used to measure the…
Study of the effect of electromagnetic damping force on a magnet oscillating near a non-ferromagnetic conducting plate
Sanjoy Kumar Pal, Soumen Sarkar, Pradipta Panchadhyayee +1
We have designed an experiment that involves studying the effects of a conducting plate on the motion of an oscillating disc magnet. We have employed the video analysis method by T…
Smartphone-based measurement of magnetic force and demonstration of Newton third law of motion
Sanjoy Kumar Pal, Soumen Sarkar, Pradipta Panchadhyayee
A fascinating approach to teaching Newton's Third Law using readily available technology is presented in this article. Magnetic forces are measured by using a smartphone's pressure…
LiDAR based determination of spring constant using smartphones
Sanjoy Kumar Pal, Soumen Sarkar, Pradipta Panchadhyayee
A novel use of the LiDAR sensor of a smartphone in introductory physics experiments is discussed in this article. We have determined the spring constant for various combinations of…
Determination of the magnetic moment of a magnet by letting it fall through a conducting pipe
Sanjoy Kumar Pal, Soumen Sarkar, Pradipta Panchadhyayee
A novel method is proposed to determine the magnetic moment of a magnet by studying its free-falling motion inside a non-ferromagnetic and conducting pipe. The dynamics of a neodym…
A Unified and Economical Approach to Teaching Higher Secondary Electricity Experiments
Sanjoy Kumar Pal, Papun Mondal, Pradipta Panchadhyayee +2
In both rural and urban educational settings, science education is often hindered by limited access to lab resources and intimidating, complex instruments. This paper introduces a…
Estimation of the error matrix in a linear least square fit to the data from an experiment performed by smartphone photography
Sanjoy Kumar Pal, Soumen Sarkar, Surajit Chakrabarti
Determination of the Young modulus of a metal bar in the form of a cantilever is an old experimental concept. However, we have taken the advantage of modern advanced technology of…
Collective enhancement in nuclear level density of Ga and its effect on Ga(n, )Ga capture cross-section
Rajkumar Santra, Balaram Dey, Subinit Roy +12
The -gated proton spectra measured in the reactions Ni(Be, p2n)Ga and Ni(Be, pn)Ga, have been utilized to obtain the nuclear level densit…