Engineering Physics 3 min read
Blackbody Radiation
A blackbody refers to an opaque object that emits thermal radiation. A perfect blackbody is one that absorbs all incoming light and does…
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Engineering Physics 1 min read
Newton’s Law of Cooling
Newton’s Law of Cooling states that the rate of change of the temperature of an object is proportional to the…
Engineering Physics 1 min read
Thermal conductivity
A measure of the ability of a material to allow the flow of heat from its warmer surface through the material to itscolder surface, determined as the heat energy transferred per unit of time and per unit of surface area divided by thetemperature gradient, which is the temperature difference divided by the distance between the two surfaces (thethickness of the material), expressed in watts per kelvin per meter
Engineering Physics 4 min read
Modes of Heat Transfer – Conduction, Convection & Radiation
Heat is a form of energy which transfers between bodies which are kept under thermal interactions. When a temperature difference occurs…
Engineering Physics 3 min read
Stress Strain Curve Explanation
Stress strain curve is a behavior of material when it is subjected to load. In this diagram stresses are plotted along the…
Engineering Physics 2 min read
Stress & Strain
Stress The stress applied to a material is the force per unit area applied to the material. The maximum stress…
Engineering Physics 1 min read
PROPERTIES OF MATTER AND THERMAL PHYSICS
HOOKE’S LAW Hooke’s Law is a scientific law which concerns itself with the elasticity of materials. It states that when…
Engineering Physics 3 min read
The Seven Crystal Systems
The seven crystal systems are a method of classifying crystals according to their atomic lattice or structure. The atomic lattice is a…
Engineering Physics 3 min read
THE STRUCTURE OF CRYSTALS
The beauty and symmetry of crystals have fascinated people for thousands of years. Somehow, they seem different from more ordinary…
Engineering Physics 3 min read
Unit Cells: Calculating Metallic or Ionic Radii
Estimates of the radii of most metal atoms can be found. Where do these data come from? How do we…