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Mathematics vs Statistics There may be some who would baulk at the mere idea of differentiating between mathematics and statistics as they feel that statistics is just a special branch of mathematics that has been developed to tackle with practical problems in real life situations. Though most of the concepts and formulae used in statistics […]
The key difference Between tracheids and vessels is that the tracheids lack end plates while vessels have perforated end plates. Division Tracheophyta is a plant group that comprises of vascular plants. Vascular plants possess a well developed vascular system to transport nutrients, water and minerals throughout the plant body. Primarily plants have two types of […]
Mean vs Expectation Mean or average is a very common concept in math and statistics. There is arithmetic mean which is more popular and taught in junior classes but there is also expected value of a random variable which is referred to as population mean and is a part of statistical studies in higher classes. […]
Scalar Quantity vs Vector Quantity Math and physics are two subject invented by us to describe various phenomenon around us. This fits perfectly upon quantities that are measured using math and physics. Scalar and vector are classification of quantities in physics. There are some quantities that have only one dimension that is a number assigned […]
Propeller vs Impeller For those who have studied motion, especially that of different types of fans, there is no confusion between the terms propeller and impeller but ask those who think they have heard these two terms but haven’t studied them and you will get all sorts of answers. Part of the confusion is also […]
Kinematics vs Dynamics Physics is the study of matter, their energy and their interaction. Physics is also the study of motion of objects. This study is also known as dynamics, a word that is derived from a Greek word dunamis that means power. Now study of motion is not possible without knowing the causes of […]
Acceleration vs Retardation The concept of acceleration is an important one when it comes to study of moving bodies. Acceleration refers to the rate in change of velocity of a moving body. If a body is moving at a constant velocity, there is no change and hence it has no acceleration. You can understand the […]
Absolute Pressure vs Gauge Pressure Pressure is an important concept in physics and finds scores of industrial and daily life. It is defined as force per unit area when it is applied in a direction perpendicular to the surface of the body on which it is applied. But what we measure with devices designed to […]
Static vs Dynamic Electricity We all know about electricity as we see it functioning in the form of lights, fans, A.C’s, refrigerators and many other appliances. It is a kind of energy that has the ability to make appliances work. We cannot see electricity but its effect is seen, heard, smelled and can even be […]
The key difference between natural and artificial radioactivity is that the natural radioactivity in the form of radioactivity takes place on its own in nature whereas when it is induced by man in laboratories, it is called artificial radioactivity. Man did not invent the process of radioactivity; it was there, existing in the universe since […]
