What is the basis of the periodic table? The periodic table also makes known fascinating patterns and exceptions. For example, noble gases on the far right have all their “energy levels” occupied, making them exceptionally stable and inactive. Groups like halogens are electron-attracted, always looking for other atoms to fill their empty “orbitals.” The fundamental … Read more
Laboratory is a very important place, where research is carried out for human welfare. Chemical laboratory is unique place to know and develop something new. Different types of chemicals are generally used in the laboratory. Among these, some are volatile, hazardous and very harmful to human health. The consequences could be severe if someone does … Read more
Broadcast is an one way communication system where a person or any organization can communicate with many people or organizations.
When more than one person can communicate with each other at a time, the system is called two way communication system. For example- Mobile, Phone.
Understand the concept of instantaneous speed, its difference from average speed, and how to calculate it using real-world examples. What is instantaneous speed? A Complete Guide How fast an object is moving at a particular moment is the measurement of Instantaneous speed. Instantaneous speed is a scalar quantity. Instantaneous speed refers to the speed of a … Read more
The rate of change of velocity with time that is the change of velocity in unit time is known as acceleration.
The point with respect to which the displacement of an object is measured is called reference point.
The rate of increase of velocity of a freely falling body on earth due to force of gravity is called acceleration due to gravity. The Earth pulls you down, keeps your feet firmly planted on the ground, and makes a dropped apple hurtle toward the ground. This invisible force, ever-present but often taken for granted, … Read more