An alpha particle is made up of two neutrons and two protons in a bound state. Consider a stationary alpha particle a distance d=5.5nm from a neutral hydrogen atom. 1. What is the force between the alpha particle and the hydrogen atom? 2. What is the strength of the force between the alpha particle and the hydrogen atom? 3. The energy needed to ionize the hydrogen atom is U=2.179x10^-18J. What is the closest the hydrogen atom can get to the alpha particle?

Q: 4. An electron-positron pair is produced by a 2.60 MeV photon. What is the kinetic energy of the…

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Q: Two small metallic spheres are fired at each other from an initial separation distance of 21.3 cm.…

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Q: In a nuclear fusion reaction, 2 g of hydrogen is converted into 1.985 g of helium. What is the…

A: 2 g hydrogen into 1.985 g helium

Q: When an electron moves from the n=5 orbit  to the n=4 orbit of a hydrogen atom, a photon of light is…

A: Initial orbit = n = 5  Final orbit = n =4  Energy of the photon = E =???  Frequency of the radiation…

Q: n hydrogen is fused into helium, energy is released from Choose one: A.  conversion of mass to…

A: Given :- When the hydrogen is fused into helium Find:- energy is released fromChoose one: A.…

Q: Which of these expressions would yield the wavelength of light in meters emitted when an electron…

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Q: A magnetic field of 5.00 T is applied to a bubble chamber to make the tracks of electrons…

A: The expression for centripetal force is, F=mv2r The expression for magnetic force is, F=Bqv Solve…

Q: 6. Use Boltzmann distribution to solve this problem. A system consists of 3,000 particles that can…

A: Given: A system consists of 3000 particles  T = 900 k Formula used:NjNi = gj e-εjkTgi e-εikT

Q: A charged particle with initial kinetic energy of 80.3 keV ionizes an electron in the K shell of a…

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Q: When a photon has high enough energy and passes through material, it can disappear and turn into one…

A: Mass of electron = 9.1 ×10-31 kg

Q: 1. A hydrogen atom initially in its ground state (n=1) absorbs a photon and ends up in the state for…

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Q: Determine the identity of X. 9039 Y → 9038 Sr + X

A: Given:  Y3990 →Sr3890 + X Mass number of Y is 90 and Sr is 90. Atomic number of Y is 39 and Sr is…

Q: 4. What is the energy of a Hydrogen electron in the following energy states? a. n = 5 b. n = 3 c.…

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Q: 3. A proton is confined in a uranium nucleus of radius 7.20x10-15 m. Determine the proton's kinetic…

A: Given, The radius of a uranium nucleus is 7.20×10-15m

Q: Some satellites use nuclear power. a. If such a satellite emits a 2 W flux of y rays having an…

A: Power P = 2 W.Energy Let N be the number of photon emitted per second.

Q: What is the total energy (or mass) of the hydrogen atom in its ground state? a) 13.6 eV b) .511…

A: Given Hydrogen atom is in ground state We have to find total energy in this state and choose the…

Q: Some satellites use nuclear power. a. If such a satellite emits a 2 W flux of  rays having an…

A: Power of the satellite Average energy of the satellite

Q: A rectangular loop of wire sits partially in a uniform magnetic field indicated by the array of dots…

A: (a) Induced current in the given loop is given by Lenz law. From this law, the direction of induced…

Q: 43. An electron and an antielectron (each has mass 9.11 x 10-³¹ kg), each traveling at 0.6c relative…

A: Given,

Q: An electron in a hydrogen atom transitions from the n=5 state to the n=1 state, emitting a photon.…

A: a)   So, you know your energy levels to be n = 5 and n = 1.  By Rydberg's equation " 1/λ =…

Q: 4. An clectron moving to the right at 0.9c collides with a positron moving to the left with a…

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Q: The sun generates its energy through nuclear fusion, making helium from hydrogen. The main process…

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Q: 1. What is the total energy of a proton whose kinetic energy is 4.65 GeV? What is it's wavelength?…

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Q: 4. A proton and an electron recombine to form atomic hydrogen in its 4p state. At what wavelengths…

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Q: Mass/energy equivalence is expressed mathematically in which of the following expressions? a. E=hf…

A: solution is given as

Q: Q3) How much work (in MeV) must be done to increase the speed of an electron from 1.2x10 m/s to…

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Q: Determine the amount of energy equal to 1.0 g of mass.

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Q: An electron at the n=5 energy level of hydrogen undergoes a transition to the n=3 energy level. What…

A: Given,initial energy level, final energy level, from Rydberg's equation,where, , Rydberg's constant.…

Q: 5. The kinetic energy of an electron is 75% of its total energy. Find the speed of the electron. X…

A: The objective of the question is to find the speed of an electron given that its kinetic energy is…

Q: Determine the distance between the electron and proton in an atom if the potential energy U of the…

A: Given: Coulomb's constant,k=9×109Nm2/C2Charge of electron,qe=-1.6×10-19CCharge of…

Q: Electrons in an electron microscope are accelerated to 2.1 x 108m/s.a. Use the Newtonian formula to…

A: KEnewtonian=0.5mv2=0.59.1×10-31 kg2.1×108 m/s2=2.01×10-14 J Actual kinetic energy.…

The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways: