In a lab a scientist tries to measure the location and speed of an electron.  The position measurements are found to have an uncertainty of 5.01 x 10-11 m (this is 0.0501 nm).  What is the smallest possible uncertainty in velocity?  An electron has a mass of 9.11 x 10-31 kg and Planck's constant is 6.63 x 10-34 J*s

Q: The wavelength of a yellow photon is 660 nm. At what kinetic energy would an electron have that…

A: Wavelength of yellow photon = 660 nm = 660 X 10-9 m Mass of electron, m = 9.11 X 10-31 kg

Q: The speeds of an electron and a proton have been measured to the same uncertainty. Which one has a…

A: The speeds of an electron and a proton have been measured to the same uncertainty.

Q: A bird flies a distance of d = 150±3 m during a time t = 20.0±1.0 s. The average speed of the bird is…

A: The equation for uncertainty in v is,

Q: The uncertainty in the velocity of an electron is 43 × 10-3 m/s. What is the uncertainty in its…

A: Heisenberg uncertainty principle:- This principle states that the position and velocity of any…

Q: 2. A particle has an average lifetime of 1.24 x 10-8 s. What is the minimum uncertainty of in its…

A: We have giventhe average lifetime of particle (t) =1.24×10-8 s the minimum uncertainity in its…

Q: n electron with a mass of 9.11 x 10–31 kg is accelerated to 25% the speed of light (c = 3.00 x 108…

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Q: A 1.0 kg ball has a position uncertainty of 0.20 m. What is its minimum momentum uncertainty?…

A: The mass of the ball is m = 1.0 kg. The position uncertainty of the ball is ∆x=0.20 m Assume the…

Q: Singly charged sodium atoms are accelerated through a potential difference of 210 V. (a) What is the…

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Q: A student makes the following measurements in the lab:  x = 2.51 ± 0.01 cm y = 1.0592 ± 0.0005 cm…

A: Please see the answer below

Q: he uncertainty in locating a neutron (1.7 x 10-27 Kg) is  2.0 x 10-6 m. Find the minimum uncertainty…

A: Uncertainty in position, ∆x=2.0×10-6 m Mass of neutron, m=1.7×10-27kg

Q: He is considered as a father of quantum physics and suggested that light travels in terms of…

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Q: Q3. The velocity of an electron having a wavelength of 800 nm is: A) 1.03x10² m/s B) 2.06x10¹ m/s C)…

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Q: fly with a mass of 19.3 mg is moving with a velocity of 6.7 m/s ± 10%. What is the momentum of this…

A: Given A fly with a mass of 19.3 mg is moving with a velocity of 6.7 m/s ± 10%.

Q: 2) An electron moves in a straight line with a constant speed of 1.2x106 m/s which has been measured…

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Q: To estimate the velocity of a toy car you measure that it moves a distance of (20.0 +\- 0.03) meters…

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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: (1) Quantum uncertainties are most predominant for simultaneously measuring the speed and location…

A: (1) In measuring the position as well as the speed of the baseball and spit-ball simultaneously, the…

Q: A proton is moving with a velocity of 1.5 × 10 m/s that has an uncertainty of 7.5 x 10³ m/s. What is…

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Q: During a certain experiment, the de Broglie wavelength of an electron is 650 nm = 6.5 x 10-7 m,…

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Q: An electron is moving with a speed of 5 x 106 m/s (± 2  x 10 -2m/s). Using this information,…

A: given ,  speed of the electron , v = 5×106 m/s (± 2×10-2 m/s) As we know ,  mass of the electron , m…

Q: A student is examining a bacterium under the microscope. The E. coli bacterial cell has a mass of m…

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Q: 2.(a) How much time is needed to measure the kinetic energy of an electron whose speed is 10.0 m/s…

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Q: The threshold frequency of silver is 10.5×1015 Hz. What is the work function of silver? Planck’s…

A: Given,  threshold frequency of silver is 10.5×1015 Hz. Planck’s constant is 6.63 × 10−34 J · s let…

Q: 7. The wave of wavelength 5900 À emitted by any atom or molecule must have some finite total length…

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Q: 4. An electron has a momentum py = 1.30 × 10-25 kg.m/s. What is the minimum uncertainty in its…

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Q: Calcúlate the uncertainty for momentum p, when the mass of the object is 15.0 (+-) 0.2kg with a…

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Q: The position and momentum of a 1.00- keV electron are simultaneously determined. If its position is…

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Q: The uncertainty in a proton's position is 0.020 nm What is the minimum uncertainty Δp in its…

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Q: A quantum of radiation has an energy of 2.61 keV. What is its frequency? (h = 6.63 x 10-34 J×s and 1…

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Q: what is the speed of an electron that has the same momentum as a photon with a wavelength in vacuum…

A: Introduction: According to de-Broglie hypothesis, matter has dualistic nature i.e. particle…

Q: If the speed of an electron is measured to within an uncertainty of 2.0×10 4 m/s, what would be the…

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Q: The uncertainty of the velocity (Δv) of a proton in an accelerator constitutes 0.250% of the speed…

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Q: An ultrashort pulse has a duration of 7.2 fs and produces light at a wavelength of 522 nm. What are…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The lifetime of a muon in its own frame of reference is measured to be 3.10 x 106 s. What is the…

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Q: An atom of iron has a radius of  156. pm  and the average orbital speed of the electrons in it is…

A: The given data are: Δx=156 pm=156×10-12 mv=5.7×107 m/s

Q: Your video analysis of the motion of a marble gives it position in frame 23 as (x23, 923) = (0.134…

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Q: 3. A. 279.7 kJ of energy are required to remove one mole of electrons from one mole of lithium…

A: 3. Given- Work function E =279.7 KJ=279.7×103J We have  h=6.626×10-34 J-secc=3×108 m/s

Q: A particular atomic state has energy of 2.20 eV above the ground state, and has a lifetime of 2.9…

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Q: If a proton were traveling the same speed as electrons in a TV picture tube (about 7.7 × 10' m/s),…

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Q: An electron of momentum p is at a distance r from a stationary proton. The electron has kinetic…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: 4. An electron has a momentum py = 1.30 x 10 the relative uncertainty in its momentum (Apy/p) X35.3…

A: Given:-  Py=1.30×10-25 kg.m/s∆PyPy=2.3% Find:-  What is the minimum uncertainty in its position that…

Q: According to the idea of wave-particle duality, which of the following items has a wavelength?…

A: According to De-Broglie, any moving particle or object having momentum has a wave like property…

Q: 1. An atom emits a photon when one of its electrons a. collides with another of its electrons b. is…

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Q: Find value of the y-component of the marble's velocity Yi+1 - Yi Vy and its uncertainty. At O(-0.2 +…

A: Here we have to find the y-components of the marble's velocity.

Q: A hydrogen atom emits a photon that has momentum 6.977 × 10-27 kg·m/s. This photon is emitted…

A: Given: Momentum = 6.977 x 10 27 kg .m/s                   h = 6.626 × 10-34 J·s,

Q: Rosco the world's biggest magic flying pumpkin. The pumpkin has a mass of: m = 2.5±0.2 kg Rosco's…

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de Broglie Equation

The sketch of matter waves is drawn below: