An α particle located in the molecules of a helium atom was observed to have mass 6.11*10^-27kg and 2eV. Calculate the force of electric repulsion or attraction between the α particles and compare them with gravitational force of attraction between them
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- What is the magnitude of the net electric force on charge B if alpha = 2.0 cm and beta = 1.2 cmCalculate the magnitude of strength of an electric field at the distance of 12.0 nm from the nucleus of the Uranium-235 atom?Consider the element Hydrogen. In this atom, assume the electron travels with a speed of 6.8 105 m/s. What is the radius between the nucleus and the orbiting electron in m?
- How much positive charge is in 1.3 kg of helium?The atomic weight (4.0026 g) of heliumcontains Avogadro’s number of atoms, witheach atom having 2 protons and 2 electrons.The elemental charge is 1.602 × 10−19 C andAvogadro’s number is 6.023 × 1023.1. 3.65671 × 1072. 3.37722 × 1073. 4.1138 × 1074. 4.71084 × 1075. 2.91926 × 1076. 6.26767 × 1077. 5.83852 × 1078. 1.14874 × 1089. 7.17219 × 10710. 2.74253 × 107Answer in units of C.What potential difference is needed to give a helium nucleus (Q=3.2×10−19CQ=3.2×10^-19C) 124 keV of kinetic energy? Express your answer using two significant figures.In the classical model of a hydrogen atom, an electron orbits a proton with a kinetic energy of +13.6 eV and an electric potential energy of −27.2 eV. HINT (a) Use the kinetic energy to calculate the classical orbital speed (in m/s). m/s (b) Use the electric potential energy to calculate the classical orbital radius (in m). m
- Coulomb constant, k=8.987×109N⋅m2/C2. Vacuum permitivity, ϵ0=8.854×10−12F/m. Magnitude of the Charge of one electron, e=−1.60217662×10−19C. Mass of one electron, me=9.10938356×10−31kg. Mass of one proton, mp=1.6726219×10−27kg, Charge of one proton, ep=1.60217662×10−19C Unless specified otherwise, each symbol carries their usual meaning. For example, μC means microcoulomb . PartI Suppose, We have a dipole where 3 charges q1=3e,q2=2e,q3=−5e are placed on the vertices of the square as shown in the figure given above. Side length of the square is 3nm. a) Calculate the X and Y components of dipole moment of this dipole. b) Calculate the electric potential at point P due to this dipole. PartII Now suppose, we have a continuous charge distribution D for which potential at any point (x,y) in the xy plane is given by, V(x,y)=3xy(mx+n), where V is in volt, coordinates x, y are in meter, m, n both are constant and m=1N/Cm2, n=1N/Cm. c) Calculate the potential at point P due to continuous charge…Coulomb constant, k=8.987×109N⋅m2/C2. Vacuum permitivity, ϵ0=8.854×10−12F/m. Magnitude of the Charge of one electron, e=−1.60217662×10−19C. Mass of one electron, me=9.10938356×10−31kg. Mass of one proton, mp=1.6726219×10−27kg, Charge of one proton, ep=1.60217662×10−19C Unless specified otherwise, each symbol carries their usual meaning. For example, μC means microcoulomb . PartI Suppose, We have a dipole where 3 charges q1=3e,q2=2e,q3=−5e are placed on the vertices of the square as shown in the figure given above. Side length of the square is 2nm. a) Calculate the dipole moment of this dipole.Coulomb constant, k=8.987×109N⋅m2/C2. Vacuum permitivity, ϵ0=8.854×10−12F/m. Magnitude of the Charge of one electron, e=−1.60217662×10−19C. Mass of one electron, me=9.10938356×10−31kg. Mass of one proton, mp=1.6726219×10−27kg, Charge of one proton, ep=1.60217662×10−19C Unless specified otherwise, each symbol carries their usual meaning. For example, μC means microcoulomb . PartI Suppose, We have a dipole where 3 charges q1=3e,q2=2e,q3=−5e are placed on the vertices of the square as shown in the figure given above. Side length of the square is 2nm. a) Calculate the dipole moment of this dipole. X component of the dipole: Y component of the dipole: b) Calculate the electric potential at point P due to this dipole. PartII Now suppose, we have a continuous charge distribution D for which potential at any point (x,y) in the xy plane is given by, V(x,y)=3xy(mx+n), where V is in volt, coordinates x, y are in meter, m, n both are constant and m=1N/Cm2, n=1N/Cm. c) Calculate the potential at…
- In the classical model of a hydrogen atom, an electron orbits a proton with a kinetic energy of +13.6 eV and an electric potential energy of −27.2 eV. (a) Use the kinetic energy to calculate the classical orbital speed (in m/s). m/s (b) Use the electric potential energy to calculate the classical orbital radius (in m). mIn the simple Bohr model of the ground state of the hydrogen atom, the electron travels in a circular orbit around a fixed proton. The radius of the orbit is 5.28 × 10−11 m, and the speed of the electron is 2.18 × 106 m/s. The mass of an electron is 9.11 × 10−31 kg . What is the force on the electron?The dielectric constant of a helium gas at NTP is 1.0000584. Calculate the electron polarizability of helium atoms if the gas contains 3× 10^26 atoms/m^3 and hence calculate the radius of helium atom ( = 8.854 × 10^–12 Fm–1)