How dO atomic potentials influence the shape of energy bands?
Q: I3 1-Show with suitable diagram how the band theory distinguish between the different types of…
A: Distinguish between different material by band theory : In materials all the atoms are close to…
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: 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: 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 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: Why can atoms be seen with an electron beam?
A: The atoms can be seen with an electron beam because their size is larger than the wavelength of an…
Q: When an electron moves from n-region to p-region, what is generated in the two region
A: To find the electrons moves from n region to p region
Q: How do electrons fill energy orbitals?
A: The electrons fill the atomic energy orbitals in a certain pattern depending on the energy of the…
Q: What is the difference between the -17C charge and the -5C charge? The picture is not drawn to scale
A: The orientation of charges is shown below,
Q: Describe the important concepts of Series elements?
A: Series element
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: How do cnc laser work
A: Given Cnc laser work
Q: Colculote the shortest wavelenght of X-roys produced in the Bremsstrahlng processl which electrons…
A: Given : V = 2.5 x 104 V
Q: What are the properties of band structures and how are they related to the nature of interactions in…
A:
Q: Why do you think that the energy level in the n- region is lower than the p-region?
A: The n-type region has trivalent impurity while a p-type region has pentavalent impurity.
Q: Mechanical Vibration Question is image Using Lagrange's equation derive equation of motion of the…
A: Let us analyse the question in step 2.
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: 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: Vhat is the third line in the Balmer series (m=2)? D 656 nm D 486 nm D 434 nm D 184 nm
A: Balmer series is the one which corresponds to a lower level of m = 2 Third line of balmer series is…
Q: Why the semiconductor and metal nanoparticles have different color?
A:
Q: Which one of the following are not attach to the nucleus of an atom? O Valance band electrons O…
A: Conduction band electrons are not attach to the nucleus of an atom .
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: Compare Electron Ionization and Matrix assisted laser desorption Ionization (MALDI) ? Please answer…
A: Electrospray ionization (ESI-MS) and matrix assisted laser desorption-ionization (MALDI-MS) were…
Q: When an electron moves from a lower to higher energy level, the electron absorbs a quantum of energy…
A: When electron moves around a circular path about a nucleus in a positive field of nucleus its…
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: 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: How do you identify the magnetic property of the atom?
A: When put in an external magnetic field, all matter shows magnetic characteristics. Even materials…
Q: Why do lasers have so many varied applications?
A: Why do lasers have so many varied applications.
Q: (a) Identify the number of electrons in the ground-state outer shell of atomic oxygen (atomic number…
A: Part(a): The electronic configuration of the oxygen atom is 1s2 ,2s2 2p4. The number of electron in…
Step by step
Solved in 2 steps
