What are the workings of a selenium photocopier?

Q: Discuss the different electron sources for an electron Beam.

A: In the beam, electrons interact with the sample, generating signals that can be used to measure…

Q: Just how does a selenium photocopier function?

A:

Q: How magnetic confinement can help to achieve break-even conditions?

A: Confinement of the hot plasma is the major problem in achieving thermonuclear fusion. The hot plasma…

Q: Two protons in thorium nucleus are 3 x 10^-15 m apart. What the mutual potentialenergy?

A:

Q: An alpha particle travels in a uniform magnetic field that is perpendicular to the direction of the…

A: magnetic field strength (B) = 0.100 T radius of curvature (r) = 3.50 cm = 0.035 m

Q: How does Rutherford’s model of the atom account for the back-scattering of alpha particles directed…

A: Given:  Rutherford's model

Q: In Rutherford's scattering of alpha-particles in a thin gold foil, one neglects the effect of atomic…

A: Alpha particles can attract electrons in Rutherford’s gold foil experiment. However, the effect of…

Q: What is the work done by the field of a nucleus in a complete circular orbit of the electron? What…

A: Electric field is conservative in nature. Work done in a conservative field in a closed or cyclic…

Q: what are barrier elements ?

A: Barrier element are the elements which prevent the unintentional flow of gasses or fluids from a…

Q: The value of the alpha factor for photons is

A: Asked for the alpha factor of photons.

Q: Below an energy dispersive spectroscopy (EDS) graph of a sample that has been coated with carbon for…

A: Solution:   From the above-given graph,   We can observe that the peak points are at 0.25 KeV, 0.5…

Q: Argon is heated in an insulated piston-cylinder device from 20 deg C to 150 deg C. Which terms in…

A: Given that,Argon is heated in a Piston-Cylinder device from 20°C to 150°C.We can say,…

Q: Explain the concept of the ionization process in your own words

A: The term Ionisation is made of word Ion. Let's first understand its meaning. Ion means an atom or…

Q: What are the workings of a selenium photocopier?

A: Selenium is used extensively in electronics as selenium has good photovoltaic and photoconductive…

Q: what holds an electron revolving around the nucleus? Why don't they just go zooming around…

A: The electrons in an atom are held in orbit around the nucleus by the electromagnetic force, which is…

Q: What is the magnitude of the electric field at a distance of 0.1 nm from a thorium nucleus? I have…

A: Given: The distance from the nucleus of the thorium is 0.1 nm.

Q: Which atomic picture (named after the respective physicists) gives the most complete and accurate…

A: Bohr's atomic model was proposed by Niels Bohr in 1913. It was a great model and satisfied most the…

Q: Recently the existence of a parity-violating neutral current coupled to electrons was demonstrated…

A:

Q: What are some important practical differences that you have observed between spectroscopies of…

A: Gamma rays: The Gamma rays are uncharged waves and they interact with matter in three different…

Q: Explain the working of Solid-state radiation detectors?

A: Answer Solid state detectors also called semiconductor radiation detector in which a semiconductor…

Q: What is a reradiating surface? What simplifications does a reradiating surface offer in the…

A: Reradiating surface receives heat energy through radiations, and it emitted heat energy by…

Q: Describe Rutherford’s gold foil experiment.

A: In Rutherford gold foil experiment the alpha particle are allowed to strike the gold foil. This…

Q: Calculate the electrical potential energy of the nucleus if electrons could exist in it.

A: Electrical potnetial energy is defined as the amount of energy that is required to move a particle…

Q: Women in the late 1890s were terrified about the possible misuse of the new Röntgen x rays. What use…

A: Given:Women in the late 1890s were terrified about the possible misuse of the new Röntgen x rays.…

Q: Calculate the thickness of aluminium foil that is needed to stop the electrons with an energy of 9…

A:

Q: What are the threshold frequencies and wavelengths for electron emission from sodium and from…

A:

Q: . In a hydrogen atom, the electron makes ω = 6×1015 rev/s (recall that this is the angular velocity)…

A:

Q: Using the principle of precision, prove the impossibility of an electron inside the nucleus, noting…

A: Solution

Q: In the planetary model of the atom where electrons orbit a centralized nucleus, what is the…

A: Electrons orbit a centralized nucleus. Radius of nucleus is 10-10 m Radius of electron orbits is…

Q: Why is there zero probability of finding an electron at the center of the nucleus?

A: The problem is based on the concept of the probability of finding an electron in the nucleus. From…

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: