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Solid State Physics

Solid State Physics is the branch of physics that deals with the physical properties of solid materials, especially the electromagnetic, thermodynamic, and structural properties of crystalline solids.

813 Questions

What is CdI2 name?

cadmium diiodide or cadmium (II) iodide

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Right Answer: Cadmium iodide

What are five physical changes that you can observe in your home?

Put liquid in the freezer to see it turn to a solid.

Ripping paper

Glass breaking

Melting butter

Vapor condensing on the mirror when taking a hot shower.

Basketball-Flat basketball

What are the physical properties of neoprene?

-Stretchable -Buoyant -able to trap water in-between layers

-waterproof

-chemical resistant (acids, oxidation, and oil)

-abrasion resistant

-tear and impact resistant

-flame resistant

not all are physical

What is the logic behind -273 Celsius 0kelvin?

-273 Celsius is the temperature at which all molecular motion stops, known as absolute zero. This is equivalent to 0 Kelvin, the lowest possible temperature in the Kelvin scale where particles have minimal energy and stop moving. Both scales converge at this point, representing the absence of thermal energy.

What are the 5 types of gases in air and its explanation?

The five main gases in air are nitrogen (78%), oxygen (21%), argon (0.93%), carbon dioxide (0.04%), and trace gases (such as neon, helium, methane, krypton, and hydrogen). Nitrogen provides inertness, oxygen sustains life through respiration, argon helps stabilize temperature and pressure, carbon dioxide supports plant photosynthesis, and trace gases have various roles in atmospheric chemistry.

If an object falling freely downward was somehow equipped with a speedometer on a planet where the acceleration due to gravity is 20 meters per secondits speed reading would increase each second by?

20 meters per second. This is because the acceleration due to gravity is equal to 20 meters per second per second, meaning the object's speed increases by 20 meters per second for each second of free fall.

Why wouldn't it be sensible to put an ice cube in a vacuum flask?

Putting an ice cube in a vacuum flask may not be sensible because the vacuum flask is designed to keep contents at a certain temperature by reducing heat transfer, so the ice cube may not melt quickly or release its cooling effect effectively inside the flask. The vacuum insulated walls of the flask work to prevent heat exchange with the surroundings, so the ice cube may not provide the desired cooling effect when placed inside.

Is Kevlar crystalline polycrystalline or amorphous?

Kevlar is a crystalline polymer, meaning its molecular structure is highly ordered and aligned. This gives Kevlar its exceptional strength and toughness, making it a widely used material in applications requiring high tensile strength.

What is X-ray diffraction and why it is used?

X-ray diffraction is an investigative technique that involves directing a beam of X-rays at a material and examining the ways in which those X-rays were scattered by that material. The patterns into which they scatter and the angles of scattering reveal information about the structure of the material being studied. The application of X-ray diffraction to probe characteristics of a material allows a researcher to model the atomic or molecular structure of that material.

How can you explain the phenomenon perspective?

Perspective refers to the way individuals perceive and interpret situations, events, and information based on their unique beliefs, experiences, and attitudes. It influences how they make sense of the world and can shape their thoughts, emotions, and behaviors. Understanding perspective is crucial for effective communication and empathy, as it allows individuals to appreciate different viewpoints and foster mutual understanding.

Chemical formula for copper II oxide?

The chemical formula for copper II oxide is CuO. It is a black solid compound where copper is in the +2 oxidation state.

What is the formula to find lattice mismatch?

The formula to find lattice mismatch is given by: Lattice mismatch = (d2 - d1) / d1 * 100% where d1 and d2 are the lattice parameters of the two materials being compared. The percentage value helps quantify the difference in the spacing of the crystal lattice planes.

Is copper a conductive metal?

Yes, copper is a highly conductive metal. It is commonly used in electrical wiring and circuits due to its excellent conductivity properties.

What are examples of materials that are superconductors?

Materials that will form superconductors come in two basic varieties, those which are metals or alloys of metals and the newer variety that are ceramic-like materials.

Some examples in the metal category are are Mercury, Niobium, Tin, Lead and various alloys and the second category includes the more complex compounds Lanthanum-Barium-Copper Oxide and Yttrium-Barium-Copper Oxide.

The first category are the outgrowth from the original discovery of superconductivity in 1911 and are now referred to as low temperature superconductors. The 1986 discovery of a new class of compounds called high temperature superconductors gave rise to the second category. The first category has materials that are limited to about 30 degrees Kelvin above absolute zero. The second includes materials that can remain superconducting up to about 130 K.

Boiling and evaporation are both forms of what?

Both boiling and evaporation are forms of vaporization. Vaporization is the process in which a liquid turns into a gas. Boiling is when vaporization occurs throughout the entire liquid, while evaporation is when vaporization occurs only at the surface of the liquid.

What happenes to telephone wires when they expand with heat?

When telephone wires expand with heat, they may sag or become looser due to the increased length. This can lead to potential issues such as interference or disruption to communication signals. Telephone companies often install slack loops in the wires to accommodate expansion and prevent damage.

Will the ship sink further into the seawater than if it was in fresh water?

The ship will sink slightly. Salt water is denser there for heavy objects will float more in it. When the ship goes back to fresh water the density decreases and the ship lowers again.

This link gives extra information and some simple experiments for you to try at home.

http://www.kidsgen.com/school_projects/how_ships_float.htm

What is a device for accurately measuring very small amounts of liquids?

A micropipette is a device commonly used to accurately measure very small amounts of liquids, typically in the microliter range. It works by utilizing a piston mechanism to aspirate and dispense precise volumes of liquid. Micropipettes are essential tools in laboratories for tasks like dilutions, sample transfers, and enzyme assays.

What is quantum mechanics?

Quantum mechanics is the mathematical description of matter on an atomic and subatomic scale. It is focused around the wavefunction of a system. Wave functions contain all information about the system such as: momentum, position, angular momentum, energy, etc. This information can only be known by its respective probability distributions. The basis of quantum mechanics in the wave mechanics formulation is the Schrodinger equation, which has two forms: the time-dependent and the time-independent.
Quantum mechanics is a branch of mechanics concerned with mathematical modelling of the interaction and motion of subatomic particles.

What does rigidity mean?

The property by which solids maintain their shape when subjected to external forces is called rigidity. Sold is more rigid than any other state of matter. The other states of matter which are not rigid have the property of fluidity.

Two basic systems of forces?

The two basic systems of forces are concurrent forces, where multiple forces act through a common point, and non-concurrent forces, where multiple forces do not intersect at a common point. Each system requires different methods for analysis and calculation.

What is meant by four momentum transfer?

Simply put, four-momentum transfer is the special relativistic spacetime analog of classical (three-) momentum transfer. In classical physics, two bodies can interact and exchange momentum in three spacial dimensions. In particle physics, strictly spatial momentum vectors do not suffice. Instead we use four-momentum, a Lorentz vector.

Four-momentum transfer is often referred to as Q^2 is particle physics literature. An interaction that transfer a large amount of four-momentum is a high Q^2 interaction.

What is laing tetrahedron?

There's an introduction to this topic in the link.