An electron is trapped within a sphere whose diameter is 6.80 × 10 − 15 m...
An electron is trapped within a sphere whose diameter is 6.80 × 10 − 15 m (about the size of the nucleus of a medium sized atom). What is the minimum uncertainty in the electron's momentum?
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An electron is trapped within a sphere whose diameter is 6.80 ×
10 − 15 m...
The nucleus of a particular atom has a diameter of 1.80 × 10-15 m. What is...
The nucleus of a particular atom has a diameter of 1.80 × 10-15 m. What is the minimum uncertainty in the speed of a proton in this nucleus?
A 2.3 mm -diameter sphere is charged to -4.6 nC . An electron fired directly at...
A 2.3 mm -diameter sphere is charged to -4.6 nC . An electron fired directly at the sphere from far away comes to within 0.34 mm of the surface of the target before being reflected. a) What was the electron's initial speed? b) At what distance from the surface of the sphere is the electron's speed half of its initial value? c) What is the acceleration of the electron at its turning point?
The nucleus of the hydrogen atom has a radius of about 1.0 × 10-15 m. The...
The nucleus of the hydrogen atom has a radius of about 1.0 × 10-15 m. The electron is at a distance of about 5.29 × 10-11 m from the nucleus. Assuming the hydrogen atom is a sphere with a radius of 5.29 × 10-11 m, find (a) the volume of the atom, (b) the volume of the nucleus, and (c) the percentage of the volume of the atom that is occupied by the nucleus.
The mass of an electron is 9.11 x 10-31 kg and the diameter of a hydrogen...
The mass of an electron is 9.11 x 10-31 kg and the diameter of a hydrogen atom is 100 pm (100 x 10-12 m). As the electron could be located anyway throughout the volume of the hydrogen atom, the maximum uncertainty in the position of the electron, Ax, can be estimated to be < 100 pm. Determine the minimum uncertainty in the speed of an electron in a hydrogen atom.
(a) The position of an electron is known to within 12.2 Å (1.22×10-9 m). What is...
(a) The position of an electron is known to within 12.2 Å (1.22×10-9 m). What is the minimum uncertainty in its velocity? m s-1 (b) Repeat the calculation of part (a) for a helium atom. m s-1
Assuming the electron to be a classical particle, a sphere of radius R = 10-15 m, and a uniform m...
Assuming the electron to be a classical particle, a sphere of radius R = 10-15 m, and a uniform mass density, use the magnitude of the spin angular momentum |53h/2 to compute the speed of rotation v at the equator of the electron. How does your result compare with the speed of light in vacuum c?
Assuming the electron to be a classical particle, a sphere of radius R = 10-15 m, and a uniform mass density, use the magnitude...
15. The planetary model of the atom pictures electrons orbiting the atomic nucleus much as planets...
15. The planetary model of the atom pictures electrons orbiting the atomic nucleus much as planets orbit the Sun. In this model you can view hydrogen, the simplest atom, as having a single electron in a circular orbit 1.06xl diameter. (a) If the average speed of the electron in this orbit is known to be 2.20x10° m/s, calculate the number of revolutions per second it makes about the nucleus. (b) What is the electron's average velocity? 0-10 m in
The uncertainty in position of an electron is 2.40 10-10 m. Find the minimum uncertainty in...
The uncertainty in position of an electron is 2.40 10-10 m. Find the minimum uncertainty in the electron's velocity.
An alpha particle (mass 4 u) is trapped in a uranium nucleus with diameter 15 fm...
An alpha particle (mass 4 u) is trapped in a uranium nucleus with diameter 15 fm Treating the system as a one-dimensional square well, what would be the minimum energy for the alpha particle? Give your answer in ev.
6. 3 points In Bohr's model of the hydrogen atom, the electron travels with speed u= 2.2 x 106 m/...
6. 3 points In Bohr's model of the hydrogen atom, the electron travels with speed u= 2.2 x 106 m/s in a circle with radius r 5.3 × 10-11 m about the nucleus. Find the magnitude of the magnetic field B at the nucleus due to the electron's motion.
6. 3 points In Bohr's model of the hydrogen atom, the electron travels with speed u= 2.2 x 106 m/s in a circle with radius r 5.3 × 10-11 m about...
The mass of an electron is 9.11 x 10-31 kg and the diameter of a hydrogen atom is 100 pm (100 x 10-12 m). As the electron could be located anyway throughout the volume of the hydrogen atom, the maximum uncertainty in the position of the electron, Ax, can be estimated to be < 100 pm. Determine the minimum uncertainty in the speed of an electron in a hydrogen atom.
Assuming the electron to be a classical particle, a sphere of radius R = 10-15 m, and a uniform mass density, use the magnitude of the spin angular momentum |53h/2 to compute the speed of rotation v at the equator of the electron. How does your result compare with the speed of light in vacuum c?
Assuming the electron to be a classical particle, a sphere of radius R = 10-15 m, and a uniform mass density, use the magnitude...
15. The planetary model of the atom pictures electrons orbiting the atomic nucleus much as planets orbit the Sun. In this model you can view hydrogen, the simplest atom, as having a single electron in a circular orbit 1.06xl diameter. (a) If the average speed of the electron in this orbit is known to be 2.20x10° m/s, calculate the number of revolutions per second it makes about the nucleus. (b) What is the electron's average velocity? 0-10 m in
An alpha particle (mass 4 u) is trapped in a uranium nucleus with diameter 15 fm Treating the system as a one-dimensional square well, what would be the minimum energy for the alpha particle? Give your answer in ev.
6. 3 points In Bohr's model of the hydrogen atom, the electron travels with speed u= 2.2 x 106 m/s in a circle with radius r 5.3 × 10-11 m about the nucleus. Find the magnitude of the magnetic field B at the nucleus due to the electron's motion.
6. 3 points In Bohr's model of the hydrogen atom, the electron travels with speed u= 2.2 x 106 m/s in a circle with radius r 5.3 × 10-11 m about...
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