A certain atom has an energy state 3.50 eV above the ground state. When excited to this state, the atom remains for 2.0 ms, on average, before it emits a photon and returns to the ground state. (a) What are the energy and wavelength of the photon? (b) What is the smallest possible uncertainty in energy of the photon?

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: If a proton has an uncertainty in its velocity of 5.90 × 10⁻⁴ m/s, what is the uncertainty (in…

A:

Q: If an electron has an uncertainty in its position of 4.20 × 10-2 m, what is the uncertainty in its…

A: The objective of this question is to calculate the uncertainty in the velocity of an electron given…

Q: A measurement is made of a photon’s energy (from a laser) that results in an uncertainty in the…

A:

Q: An atom in an excited state of 4.7 eV emits a photon and ends up in the ground state. The lifetime…

A: Given Excited state Photon E= 4.7 eVExcited state life time   =1.0×10-13 s.

Q: If the uncertainty in the velocities of two particles A and B with masses of 1.0 x 10^(-30) kg and…

A: The mass of particle A is mA=1.0×10-30 kg The mass of particle B is mB=1.0×10-27 kg

Q: Q:-3(a)-An electron moves in the x direction with a speed of 2.8 x 10° m's. We can measure its speed…

A: Given: (a) Speed of electron along x-axis, v=2.8×106 m/s Precision in speed, ∆v=2% of v To find…

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: An electron is confined to a region of space of the size of an atom (0.1 nm). (a) What is the…

A: The uncertainty in position of the electron is Now, the Heisenberg uncertainty principle we have:…

Q: The average energy of a photon in a pulsed laser beam is2.39 eV, with a minimum uncertainty of…

A: Given that a pulsed laser beam  with each photon having energy 2.39 eV, with minimum uncertainty of…

Q: Suppose the position of a chlorine ion in a membrane is measured to an accuracy of 0.75 μm. a) What…

A:

Q: The velocity of a neutron is measured to be 6.0 x 106 m s-1 with an uncertainty of 1.0 × 103 m s-1.…

A: Given: Velocity of neutron, v=6.0×106 m/s Uncertainity in velocity, ∆v=1.0×103 m/s Mass of the…

Q: The average energy of a photon in a pulsed laser beam is 2.39 eV, with a minimum uncertainty of…

A: Given : Average energy of a photon is 2.39 eV.             Minimum uncertainty energy is 0.0155 eV.…

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

A:

Q: A certain atom has an energy state 3.50 eV above the ground state. When excited to this state, the…

A: (a) The energy and wavelength of the photon,  The energy of the photon is 3.5 eV,  The wavelength is…

Q: proton is accelerated to a speed of 2.10*10^5 m/s. If the uncertainty in the measured speed is 5%…

A:

Q: An excited atom gives up its excited energy by emitting a photon. The average period that elapses…

A: The expression for the uncertainty in corresponding frequency is,

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: A certain atom has an energy level 3.60 eV above the ground state. When excited to this state, atom…

A: Using Heisenberg's uncertainty relation, ∆E∆t≥ℏ

Q: (a) The uncertainty in the y-component of a proton’s position is 2.0 * 10-12 m. What is the minimum…

A: Heisenberg's uncertainty principle for position and momenteum∆x∆p≥ℏ 2Minimum allowed uncertainty,…

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: A certain atom remains in an excited state for about 51.7 ns before emitting a 2.15-eV photon and…

A:

Q: An electron has a momentum py = 1.40×10−251.40×10−25 kg.m/s. What is the minimum uncertainty in its…

A: Write the expression for Heisenberg’s uncertainty principle.

Q: An atom is in an excited state for 4.00 us before moving back to the ground state. Find the…

A:

Q: (a) The uncertainty in the y-component of a proton’s position is 2.0 * 10^-12 m. What is the minimum…

A: Given: Uncertainty in y-component of proton's position           Uncertainty in z-component of…

Q: assume that an electron is moving along the x-axis and that you measure its speed to be…

A: According to the Heisenberg Uncertainity principle,              ∆x×∆v=h2πm .... (1) Where, h is the…