On studying the Electronic and Atomic Cross sectional area for low atomic masses (Carbon, Aluminum, Iron and Zinc) using Klien-Nishina differential equation. The atomic cross section among these elements for same energy of incidence photon the atomic cross section area found on order of Carbon Aluminum Iron Zinc. This show with increasing atomic number and mass the cross section area of material goes increase. But the mass attenuation goes decrease with increasing in mass and number of materials made up of high atomic weight and number. This is clearly seen in Fig. 2 and Fig. 3. Therefore, among these elements protective material is made up of Carbon has more safety than other (Al, Fe, Zn).
The mathematical model is developed to investigate the relationship between the Hamiltonian of the Proton Exchange Membrane Fuel Cell (PEMFC) and the output of the PEMFC. At constant response time, the Hamiltonian is directly proportional to current density and cell voltage, according to the established model (Nano-second). At activation overpotential 90mV, the Hamiltonian of PEMFC with current density increases without a hump, however at activation overpotential 1mV, a bump is detected at 0.47mAcm-2. The hump is also seen with cell voltage and power density at the same current density. The current density exponential term is responsible for the hump. PEMFC's Hamiltonian at low temperature is higher than PEMFC's Hamiltonian at high temperature. By examining the Hamiltonian with temperature and its relationship to a PEMFC output, the efficiency of the PEMFC can be increased by minimizing heat. Because PEMFC generates electricity and heat as a result of the chemical process. The collision of free electrons and protons around the electrodes generates heat energy. Because the Hamiltonian is inversely proportional to distance and directly proportional to current density and power density, the energy carried by free electrons and proton decreases as the distance between them decreases, resulting in the generation of heat energy during collisionless collisions. The free electrons and free protons circulate faster to form PEMFC outputs due to the short distance gap.
The optical properties of two water supply samples Kathmandu Upatyaka Khanepani Limited (KUKL) and Kathmandu Valley Water Supply Improvement Project (KVWSIP) in the Kupondole Area, Lalitpur, Nepal show that the transmittance of light is higher for KVWSIP sample water than for KUKL. A large amount of work has been done to test the purities of KUKL and KVWSIP water supplies (chemically), but even their optical properties have not been studied. This method has no hazardous side effects or requires chemical method testing. In comparing the optical properties, the authors recommended that the public take KVWSIP water for good health and wealth rather than KUKL if they have an option.This is because KUKL is more contaminated and has more total dissolved solids (TDS) particles, while KVWSIP has fewer TDS particles. Therefore, if people take KVWSIP water in their daily life, they obtain relief from different types of water-related diseases.
The objective of this work is to study the differential cross- section in the presence of a weak laser field (visible and UV) in the case of inelastic scattering. When the target absorbs the energy, the differential cross section increases, according to the theoretically constructed model. The differential cross-section initially decreases to a minimum and finally takes a maximum value, when the target emits the energy. The energy emission occurs at 5 eV, 10 eV, 13 eV, 16 eV, 20 eV, 25 eV, and 30 eV. In addition, the differential cross-section also increases with the scattering angle.
Studying the eigen value function of a perturbed hydrogen atom in its ground state with various orders is the goal of this investigation (1st, 2nd, 3rd, 4th, 5th, 6th and 7th). The new equation is created using the theoretic way to investigate the nature of eigen function. At various perturbed order parameters, it is discovered that the nature rapidly decreases with distance from the Bohr’s radius. Additionally, the nature with perturbed order parameters was discovered to be linear at various separations beyond Bohr’s radius. This demonstrates that while a large amount of energy is needed to perturbed a system close to the Bohr’s radius, very little energy is needed to perturbed a system farther away from the Bohr’s radius.
The objective of this work is to study the photonic force and impulses on a leaf, intensity after passing through the leaf, and molecular cross-section chlorophyll of the leaf. To study we use analytical and computational methods. The observation shows that photonic force and impulse on leaves of crops decrease with wavelength, intensity also decreases with the thickness of leaves and molecular cross-section of Chlorophyll a type is lesser than Chlorophyll b type. A study of this parameter shows the huge impact on the photosynthesis phenomena of plants which further disturbed the growth of plants in different parts of their body. With the study, it is also found that the spectrum of the visible range is suitable for the photosynthesis process because the energy gap of Chlorophyll a type and Chlorophyll b type lie in the visible spectrum region. In addition, the higher energy spectrum damages the photosynthesis process by damaging Chlorophyll a and Chlorophyll b. Hence, this study shows how the force, impulse, intensity, and molecular cross section affect the photosynthesis process and diet of plants which is related to leaves.
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