Diversity in the Living World

Diversity in the Living World refers to the variety of species, ecosystems, and genetic differences found in nature, contributing to ecological balance and resilience. It encompasses species richness, genetic variability, and ecosystem variety, all of which are crucial for life on Earth.

One Year UPSC preparation strategy

Preparing for the UPSC (Union Public Service Commission) Civil Services Examination requires a well-structured and dedicated approach. Given that the exam is one of the most competitive in India, effective time management, strategic planning, and consistency are key to success. A one-year preparation strategy is possible, but it requires strong commitment and disciplined effort. Below … Read more

REET Admit Card 2025

REET Admit Card

The Board of Secondary Education Rajasthan (RBSE) will release the admit card for the REET 2024 session exam today, February 19, 2025. The REET admit card 2025 will be available on the official website, reet2024.co.in. After the release, candidates will be able to download their REET exam admit card by logging in with their credentials on the link activated by the RBSE. The direct download link will be shared here shortly after the official release.

Why Quantization Happens

Why Quantization Happens: Quantization of electric charge happens because charge is fundamentally tied to particles like electrons and protons, which themselves carry discrete (i.e., fixed) amounts of charge. The key to understanding quantization is recognizing that electric charge is not a continuous quantity that can take any value, but rather it exists in small, indivisible … Read more

Quantization of Electric Charge

Quantization of Electric Charge:

Quantization refers to the idea that certain physical quantities can only take on discrete values, as opposed to a continuous range. In the case of electric charge, it means that the total electric charge in any system is always a whole number multiple of the elementary charge. This means that charges cannot exist in fractional amounts; they must always be integral multiples of the elementary charge (denoted as e).

Elementary Charge (e):

The elementary charge is the fundamental unit of electric charge, and it has a value of: e = 1.602 × 10⁻¹⁹ C. This is the charge carried by a single proton (positive charge) or a single electron (negative charge). For example: – The charge on one electron is −e. – The charge on one proton is +e.

Quantization of Charge:

The quantization of charge implies that any object can only have a charge that is an integer multiple of e. This can be represented mathematically as: Q = n × e Where: – Q is the total charge on an object, – n is an integer (positive, negative, or zero), – e is the elementary charge (1.602 × 10⁻¹⁹ C). For instance: – If an object has a charge of 2e, it means the object carries a charge that is twice the elementary charge, or 2 × 1.602 × 10⁻¹⁹ C = 3.204 × 10⁻¹⁹ C. – If the object has a charge of 3e, the charge is three times the elementary charge, or 3 × 1.602 × 10⁻¹⁹ C = 4.806 × 10⁻¹⁹ C.

Why Quantization Happens

Class 12 Physics Notes: Chapter 1 – Electric Charges and Fields

Electric Charges and Fields: Electric Charge: The word “electricity” is derived from the Greek word Elektron, which means amber. This is because the ancient Greeks noticed that rubbing amber produced static electricity. In physics, electric charge is a fundamental property of matter that determines how atoms and molecules interact. There are two types of electric … Read more

Electric Charge

Electric Charge: What is Electric Charge?Electric charge is a fundamental property of matter that causes it to experience a force when placed in an electric or magnetic field. There are two types of electric charges: positive (+) and negative (-). Like charges repel each other, while opposite charges attract each other. Unit of Electric Charge:The … Read more

Biodiversity: The Foundation of Life on Earth

Biodiversity refers to the variety of life forms on Earth, including the diversity of species, ecosystems, and genetic variations. It plays a crucial role in maintaining the balance of natural ecosystems and supporting life processes that are essential for human survival. Here’s a detailed explanation: 1. Definition of Biodiversity Biodiversity comes from the words “biological” … Read more