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Newton's rings are concentric circular bright and dark rings formed due to interference between light waves reflected from the upper and lower surfaces of a thin air film.
#Theory:  When monochromatic light falls on the thin air film formed between the plano-convex lens and a glass plate, two reflected rays are produced:
 1. One from the upper surface of the air film.    2. Another from the lower surface of the air film.   These reflected rays interfere with each other:
 * Constructive interference
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fiscalidade

1. Caraterize e relacione IRS, IMT e IVA na esfera das múltiplas classificações de imposto

O IRS, o IMT e o IVA são impostos do sistema fiscal português, mas apresentam diferentes características e classificações.

O IRS — Imposto sobre o Rendimento das Pessoas Singulares — é um imposto direto, pessoal, progressivo, estadual e periódico. É direto porque incide diretamente sobre o rendimento dos contribuintes; pessoal porque considera a situação familiar e económica do sujeito passivo;

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Till when

1. Basic Concepts of Income Tax

Income tax is a direct tax imposed by the government on the income earned by individuals, firms, companies, and other entities. In India, income tax is governed by the Income Tax Act, 1961. The main purpose of income tax is to generate revenue for the government so that it can provide public services such as education, healthcare, roads, defense, and welfare schemes. Every person whose income exceeds the prescribed exemption limit is required to pay income tax.

Some

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english

Major Causes of Poor Global Health (20 Marks Answer)

Introduction

Global health refers to the health status of people across the world and the efforts made to improve health conditions for all populations, despite advancements in medicine and technology, poor global health remains a major challenge, especially in developing and underdeveloped countries, it is caused by a combination of economic, social, environmental, political, and lifestyle-related factors that affect individuals and communities

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matematica

Classificação da Natureza Pedagógica:
No âmbito da didática da matemática, a atividade proposta classifica-se como uma tarefa exploratória ou de investigação. Esta natureza pedagógica distingue-se dos exercícios tradicionais, uma vez que não fornece um método de resolução imediato aos alunos, exigindo-lhes antes a mobilização dos seus conhecimentos prévios para a construção de novas estratégias. Numa perspetiva de reflexão prática e antecipando a implementação numa turma
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DSA Notes

Storage of Strings:- A string is a collection of characters stored together in memory. Strings are used to store names, words, sentences and other text data in computer systems. In programming languages like C, a string is stored as an array of characters and ends with a special null character '\0'.

Example of String:- char name[] = "ROHIT";

In memory, the string is stored as:

| R | O | H | I | T | \0 |

Here \0 represents the end of the string.

Methods of String Storage:- 1. Fixed Length Storage:

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leadership

1. Trait Approach

The Trait Approach studies the personal characteristics that make someone a leader.
It assumes leaders possess special traits that differentiate them from nonleaders.

Great Person Theory

Early theories believed great leaders are born, not made.
They focused on famous political, military, and social leaders.

Major Leadership Traits

Important leadership traits include:

  • Intelligence → reasoning and intellectual ability
  • Self-confidence → belief in own abilities
  • Determination
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Information Security

 Information Security Final Exam Review

SQL Injection:

Direct Attack – Attacker (Eve) sends a malicious requests directly to the server (Bank.com)

Cross-Site – Alice has two tabs open: a sensitive site (Bank) and a malicious site (Evil.com). The malicious site tries to influence the sensitive one.

Third-Party – A legitimate site (News.com) loads an advertisement from a malicious domain (EvilAds.com)

Cookie Security & Guessing:

Mechanism: HTTP is stateless. To “remember” Alice,...

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DSA Notes

Traversal Algorithm for Array:- Traversal means accessing or visiting each element of an array one by one. It is used to display, process or perform operations on all elements of the array. Traversal is one of the basic operations of data structure.

Algorithm for Traversal of Array:- 

Step 1: Start

Step 2: Enter the size of array N

Step 3: Enter the array elements

Step 4: Set I = 0

Step 5: Repeat while I < N

  Print ARR[I]

  Set I = I + 1

Step 6: Stop

Example:- Suppose the array is:

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