Why is it necessary to report uncertainties in physics?
Q: Consider the set of measured values [7.8,7.1,4.3,9.8,6.3,9.6,6.0,4.7,1.4,2.4]. What is the standard…
A: Given values are 7.8, 7.1, 4.3, 9.8, 6.3, 9.6, 6.0, 4.7, 1.4, 2.4 Here, number of values=10The…
Q: (Hand by writing ans.)A certain atom has an energy level of 3.50 eV above the ground state. When…
A: If you know the frequency of the photon, you can calculate the wavelength using the equation…
Q: What is the velocity of an electron with a deBroglie wavelength of 2.74 um ? Give your answer in m/s…
A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…
Q: (a) The x-coordinate of an electron is measured with an uncertainty of 0.30 mm. What is the…
A: Part (a) Given: The uncertainty in position co-ordinate of electron is ∆x=0.30 mm. The minimum…
Q: The "radius of the hydrogen atom" is often taken to be on the order of about 10-10m. If a…
A: The radius of the hydrogen atom is often taken as Bohr’s radius. It is denoted by a0 and its value…
Q: Calculate the minimum uncertainty with which the speed of a proton may be measured if its position…
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Q: certain particle energy is known within 10^-18 J. What is the minimum uncertainty in its arrival…
A: Given Uncertainty in energy = 10-18 J
Q: snip
A: Given data m=6.6×10-27 kgv=3.4×107 mi/h=1.52×107 m/sec
Q: An electron moves in the x c 3.6 x 10 m/s. We can measure 1%. With what precision can w its x…
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Q: An electron has an uncertainty in its position of 607 pm. What is the uncertainty in its velocity?
A: Given data: Uncertainty in position of electron is, ∆x=607 pm=607×10-12 m.
Q: (a) The lifetime of a highly unstable nucleus is 10-12 s. What is the smallest uncertainty (in ev)…
A: NOTE :- We’ll answer the first question since the exact one wasn’t specified. Please submit a new…
Q: A 64.6 g ball moves at 38 m/s. If its speed is measured to an accuracy of 0.07%, what is the minimum…
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Q: The speed of an electron is known to be between 5.0×106 m/sm/s and 5.8×106 m/sm/s . Estimate the…
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Q: The speed of an electron is measured to within an uncertainty of 2.0 × 104 m/s. What is the size of…
A: Operators in quantum mechanics are used to perform operations on the wave function. The momentum…
Q: A relatively long-lived excited state of an atom has a lifetime of 3.00 ms. What is the minimum…
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Q: If we know the velocity of an electron to within 3.5 x 107 m/s, then what is the uncertainty in its…
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Q: The position and momentum of a 1.00-keV electron are simultaneously determined. If its position is…
A: Given Energy of electron E = 1 KeV = 1× 103 × 1.6 × 10-19 J = 1.6 × 10-16 J
Q: A nucleus emits a gamma ray of energy 1.0 MeV from a state that has a lifetime of 1.2 ns. What is…
A: In quantum mechanics, there are pairs of variables that are complementary or canonically conjugate.…
Why is it necessary to report uncertainties in physics?
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- The speed of an electron is measured to be 5.00 × 103 m/s to an accuracy of 0.003 00%. Find the minimum uncertainty in determining the position of this electron.If the speed of an electron is measured to within an uncertainty of 2.0x104 m/s, what would be the size of the smallest region of space in which the electron can be confined? me = 9.11 x 10-31 kg. 2.An electron is confined to a region of space of the size of an atom (0.1 nm). (a) What is the uncertainty in the momentum of the electron? (b) What is the kinetic energy of an electron with a momentum equal to Ap? (c) Does this give a reasonable value for the kinetic energy of an electron in an atom?
- If an electron has an uncertainty in its velocity of 4.10 m/s, what is the uncertainty (in meters) in its position?the measurement of electron energy requires a time interval of 1.0x10^28s. What's the smallest possible uncertainty in the electrons energy?A proton is confined in a uranium nucleus of diameter 7.2 x 10-15 m. Use the energy-level calculation of a one-dimensional box that has length equal to the nuclear diameter to calculate the proton's minimum kinetic energy. What is the proton's minimum kinetic energy according to the uncertainty principle?
- Suppose the position of a chlorine ion in a membrane is measured to an accuracy of 0.75 μm. a) What is its minimum uncertainty in velocity in meters per second, given its mass is 5.86 × 10-26 kg? b) If the ion is measured to have a velocity of 8.9 × 103 m/s, what is the uncertainty in its kinetic energy in electron volts?If the radius of a calcium ion is 0.22 nm, how much energy does it take to singly ionize it? Give your answer in electron-volts (eV) with precision 0.1 eV. Give your answer to 2 significant digits.An experiment subject only to random fluctuation within a normal distribution collects the following set of unitless numerical values: 15.8, 17.8, 19.5, 20.0, 14.7, 16.6, 16.8, 19.4, 18.3 A number of hypotheses are put forward for the theoretical value of what is measured here. Select all of the theoretical values given below that can be ruled out by our usual 1-sigma uncertainty criterion. 15.6 15.9 19.5 V 19.7