Define forbidden energy gap.

Q: What is a superconductor? Give one example of it.

A: A material that transfer electrons from one atom to another without the presence of resistance is a…

Q: What is the Zeeman effect, and what type of quantization was discovered because of this effect?

A: Zeeman effect refers to the splitting of spectral lines of an atom when the atom is placed in some…

Q: Explain Fleming's left hand rule. Also give its interpretation.

A: When a current carrying conductor is placed in a magnetic field, a force acting on the conductor in…

Q: energy gap of (1.81 eV) is equivalent to: O (2.9 * 10-19) Joules O (2.7* 10^19) Joules O (3.1* 1019…

A: as per guideline I am solving the first one, we know that 1 eV=1.6022 *10^-19 J

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: What is Prandtl tube?

A: Prandtl tube is also known as the pitot static tube.

Q: What are Intrinsic Semiconductors?

A: An intrinsic semiconductor is a pure semiconductor, or in other words an undoped semiconductor.

Q: State Huygen's principle.

A: Huygen's principle was proposed by Christian Huygens. It is an important principle in studying…

Q: What is Curie temperature? State the effect of temperature on magnetization of a soft magnet.

A: Curie Temperature :- The temperature at which the magnetic material lost their permanent magnetic…

Q: Describe a nanomaterial with one-dimensional electron confinement.

A: Solution

Q: Question 4: State the relationship between carrier effective mass and energy dispersion in k-space.…

A:

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: Describe the important concepts of Series elements?

A: Series element

Q: proof that AB will equilibrium if tan theta 1/tan 2 alpha Gb.1.69 Buktikan bahwa batang AB setimbang…

A:

Q: What is trap assisted recombination? A) perovskites B) indirect bandgap   C)  lattice…

A: Given : To select correct option for trap assisted recombination.

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: If two electrons in the same ațom have the same four quantum numbers, then they must have the same

A: The four quantum numbers of an atom are n, l, m , ms.

Q: Define and describe quantization of angular momentum.

A: The electrons in an atom revolve around the nucleus only in stationary orbits as proposed in the…

Q: Describe briefly the Magnus effect.

A: The disturbance is the fluids when a spinning object, an object moving in clockwise passes through a…

Q: Explain Tyndall Effect.

A:

Q: Explain in great detail what the concept of « Spin » is in quantum entanglement

A: here we will discuss about the spin in quantum entanglement , the detailed solution in step 2 ,

Q: Niobium metal becomes a superconductor when cooled below 9 K. Its superconductivity is destroyed…

A: Given, Magnetic field Bmax = 0.100 T Diameter d = 4 mm   So the radius of the wire is…

Q: what is quantum bonds states experiment and whose started this experiment?

A: 1. A 2013 experiment superposed molecules containing 15,000 each of protons, neutrons and electrons.…

Q: Question / Why in the laser electric discharge experiment, as the current increases, the voltage…

A: After ionization of the gas, when current flows through the gaseous medium, the electric discharge…

Q: Explain spin in detail, relating to quantum entanglement.

A: Entanglement is a quantum phenomenon which occurs only when a pair of particles, say photons…

Q: Define tunnel Diode.

A: A tunnel diode is a type of semiconductor diode. The name tunnel diode is due to the quantum…

Q: A section of superconducting wire carries a current of 100 A and requires 1.00 L of liquid nitrogen…

A: Given , Current I = 100 A 1.00 L of liquid nitrogen per hour is required to keep the semiconductor…

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

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

Q: Given: Molybdenum has a BCC crystal structure, an atomic radius of 0.1363 nm, and an atomic weight…

A: Given : atomic weight of Molybdenum, A = 95.64 g/mol Molybdenum has a BCC crystal structure. So the…

Q: The incident photons having energy less than the material energy gap are absorbed and generated:

A:

Q: Define The Quantum Critical Magnetic Field. Explain the

A:

Q: Discuss how the LED operates; cite some of its internal structure that enables it to emit light.

A: light-emitting diode (LED) is a semiconductor light source that emits light when current flows…

Q: Define electron affinity.

A: It is a physics property of an atom which defines the amount of energy is released by an atom in a…

Q: Explain the formation of Copper pairs on basis of BCS theory of Super conductivity

A: The formation of Cooper pair is the bonding of two electrons at very low temperatures.

Q: How do the elements exhibit a range of band gaps?

A: When we talk of semiconductors and insulators, electrons are observed to be restricted to a number…

Q: Give some applications of superconductors.

A: Super conductors are the conductors having the resistance zero at particular temperature.

Q: Define the photoconductor:

A: Photoconductor: It is a material in which electrical conductivity is increased due to the absorption…

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: