Class 11

One of the essential principles in scientific philosophy is measurement. Scientists must be able to quantify their findings to conduct experiments and create hypotheses. The term comes from the Greek “The origin of the English word “measuring” is “meton,” which means “restricted ratio.” By comparing an item to a standard, measurement techniques may be used […]

The CGS system, abbreviated for centimetre, gram, and second of units, predates the recent International System, also known as SI units. This is the current iteration of the metric system. The CGS system is a different system based on the important units of centimetres for distance, grams for mass, and second for time. It was

What Is a Measurement? Measurement is a quantifiable amount of a physical magnitude. Measurements are formed by a quantity and a unit. Measurements are a key concept related to defining quantities in a uniformed language. Carl Sagan, the famous astrophysicist, said that human beings are a way that we allow the Cosmos to know itself.

Introduction The topic ‘units of measurement’ deals with the quantities used as a standard of measurements. It explains the comparison and measurement of certain physical quantities. We need some fixed quantities as standard units for the comparison and measurement. For example, an elephant’s weight is more than a horse’s, but how do we ascertain this?

The rate of displacement that a particle or an object endures over a period of time is commonly characterised as the velocity of an object. Velocity is defined as a physical vector quantity, which means that it must be defined in terms of both direction and magnitude. Speed and velocity, on the other hand, should

Sound Have we ever found ourselves in a noisy setting, grimacing and holding our ears? We can ponder why certain noises appear to be so loud. The duration of a sound, the frequency of its pitches, and the environment in which we hear the sound are all factors that influence how loud it appears. Loudness,

Length The measurement of something from one end to the other is called length. In other words, the length of anything determines how lengthy it is. In the International System of Quantities, it is defined as a quantity of dimension distance. In a vacuum, the length of the path travelled by light in 1/299792458 seconds.

Distance Distance is defined as the numerical measurement of the distance between two objects. Distance refers to the physical length or estimation in everyday life when it comes to physics mechanisms. In many circumstances, the distance between A and B (for example, two nations over) is equivalent with the distance between B and A. Distance

In physics, time is described by its measurement: time is the reading on a clock.  It is a scalar quantity (typically expressed by the symbol t) in classical, non-relativistic physics, and, like length, mass, and charge, is frequently characterized as a fundamental quantity. Other concepts such as motion, kinetic energy, and time-dependent fields can be

Questions like ‘How far away is the sun from Earth?’, ‘How fast light travels?’, and ‘How much does an electron weigh?’ become apparent when considering the value and measurement units. Man has utilised traditional ways to measure physical quantities since the dawn of time. The shadow cast by the sun was employed to measure time