How dO atomic potentials influence the shape of energy bands?
Q: Write a short note on transmission electron microscopy
A: We have to write a short note on Transmission electron microscopy also known as TEM
Q: Explain Atomic Spectra.
A: There are two types of atomic spectra: Emission spectrum of an element is defined as the spectrum of…
Q: Why is Visible radiation able to remove electrons from sodium but not from zinc?
A: Photoelectric effect: It states that the when light falls on a metal surface it emits electrons.…
Q: How many possible values of m, can there be in an atom with n = 3?
A:
Q: As an electron moves from the 3rd electron shell to the 4th electron shell, the energy of the atom..
A: As the electron moves from lower to higher shell it will Absorb energy the energy of the atom…
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: Photodiode array, which statement is NOT correct
A: Introduction: Diode-Array Detection or Photodiode array Detection (PDA) is an analytical technique…
Q: What are the characteristics of the electron spectra of atoms and molecules?
A: Electron spectra of atoms and molecules is different in some sense.
Q: what is the maximum number of electrons that can be accommodated in the innermost orbital shell?
A: The maximum number of electrons that can be accommodated in the innermost orbital shell is…
Q: What principal advantage does an electron microscope have over an optical microscope?
A: Given: electron microscope , optical microscope
Q: What 2 factors are the source of an atom's magnetic field?
A: The magnetism of a solid originates from the electrons of atoms. As the electrons (which is a…
Q: Solve step by step please TOPIC: ATOMIC PHYSICS How many electrons do the atoms whose…
A: The atomic number for the shells are for K atomic number n = 1 ; for L atomic number n = 2 for M…
Q: How does fluorescence change as the semiconductor particles reach the nanoscale?
A: Introduction: Fluorescence is the effect where light is produced by the substance when it absorb the…
Q: TOPIC: ELECTRIC CHARGE Can there be a half electron?
A: Answer: No, the electron can not be half, or we can not split it or divide it. Explanation: As the…
Q: Laser ablation is an effective tool for probing micro areas of solid samples. How does it work?
A: The mechanism of laser ablation depends on physical properties of metals and environment medium.…
Q: Colculote the shortest wavelenght of X-roys produced in the Bremsstrahlng processl which electrons…
A: Given : V = 2.5 x 104 V
Q: Refer to the periodic table to write the electron configuration for selenium (Se).
A:
Q: 8. Drag the correct number of electrons to the atom model to represent a neutral atom. 15.999 Охудеn…
A: First energy level- 2 electrons Second energy level- 6 electrons. Total = 8electrons (atomic…
Q: Which has more potential energy relative to the nucleus: electrons in inner electron shells or…
A: Potential energy is inversely proportional to the distance from nucleus and where the force of…
Q: Relevance of g-f
A: The g-factor is also called as Lande's g-factor. It is basically a quantity of dimensionless and…
Q: The total value of the magnetic quantum number are _______________ a) 2n b) 2l c) 2n + 1 d) 2l +…
A: D
Q: The diode symbol shown is: or Varactor diode OPIN diode O Light-emitting diode O Laser Photo diode O…
A: This type of diode is called photo diode because it consumes light energy to produce electricity.…
Q: Why is phosphorescence emission weak in most substances
A: Phosphorescence is the emission of light from a substance after it has been exposed to radiation and…
Q: What is Hall Effect?
A:
Q: Line spectra allows the determination of what electron characteristic? Speed Energy Direction…
A: Line spectra allows the determination of energy of elctron. When electron moves from a higher orbit…
Q: te 93 (a) W = U = 41 42 -e 4TE0\13 23. 4περ 2α
A: Given: Work done and energy as, W=U=q34π∈0q1r13+q2r23=+e4π∈0-e2a++ea To find: Solution of the above…
Q: What are the differences and similarities between atomic levels, atomic states, and atomic spectral…
A: An atomic level is a characterized by the principal quantum number n. Electrons can occupy atomic…
Q: What are the workings of a selenium photocopier?
A: Selenium is used extensively in electronics as selenium has good photovoltaic and photoconductive…
Q: Why are the elements with good electrical conductivities also generally good thermal conductors?
A: Conductivity is the property of the metal by which it able to conduct heat. It is property of the…
Q: 27. Show how to connect the diodes in a center-tapped rectifier in order to produce a negative-…
A:
Q: electron-hole pairs in a PN-junction of a solar cell form a current when light is shined on the…
A: When light shines on the surface of a p-n object, the electron vibrates the electron into a…
Q: If there are 3x10^8 electrons and 6x10^8 holes per centimeter cubed in an energy band, what is the…
A: Semiconductor.
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