Class 11

Temperature-Definition Temperature is defined as the measurement of how hot or cold a body or an object is. Temperature can be felt by coming in contact with the object or the body. We can say that the temperature is the degree of coldness or hotness of a body. If the object feels hot its temperature […]

Introduction Let’s begin with an overview of the unit. What is a unit of measurement? The unit is a universally recognised reference standard for the measurement of a physical quantity. When we discuss units, we have several physical quantities; therefore, we require a reference to quantify the physical quantity. For instance, suppose your mother asks

Introduction to Units and Dimensions All measurements are composed of two parts. One is a quantitative magnitude or number (n), and another part is given by the way this quantity is measured, or the so-called unit (u). This principle applies to any kind of quantity, for example, the length of an object = 40 cm.

Standard units are traditional units and a quantifiable language of measurements such as length, height, weight, and temperature. Because these units have been standardised, everyone can see objects and their dimensions, weights, and other characteristics. In schools, kids often utilise nonstandard units of measurement such as pencils, cubes, and lolly sticks. This is a way

A quantifiable language that represents the amount of a quantity is referred to as a standard unit of measurement. It aids in comprehending the object’s relationship to the measurement. Despite the fact that measurement is a vital element of everyday life, children may not always comprehend the various methods of measurement. In this article, we’ll

A sphygmomanometer, often known as a BP (Blood Pressure) Monitor, is a device that measures blood pressure in the arteries. It’s made up of an inflatable rubber cuff that wraps over your arm. A measuring gadget is used to indicate the cuff’s pressure. The cuff is inflated by a bulb, and the pressure is released

Units and Dimension All measurements have two parts: a quantitative magnitude and a unit. If you want to do mathematical operations using different quantities, the magnitudes should keep the same unit. Systems of Units The most common types of systems are shown below: – C.G.S. or French system: this system has for length unit the

Introduction SI is built on a foundation of seven fundamental standards known as base units. The fundamental SI units are multiplied, divided, or powered in many ways to get the other SI units, such as: A newton metre is a unit of mechanical work that is defined as force multiplied by the distance travelled. Area

When it comes to measuring temperature, there are a variety of scales of units. The scales are marked on every thermometer used to measure the temperature of a human body. A thermometer is an instrument that is used to determine the temperature. According to the discipline of Thermodynamics, Fahrenheit, Celsius, and Kelvin are the three

A potentiometer is a device that is used to measure a cell’s internal resistance, compare the e.m.f. of two cells and determine the potential difference throughout a resistor. It is made up of a long wire with a consistent cross sectional area and a length of 10 metres. Wire material should be highly resistive and