d and f Block Elements

Bullet Notes D-Block Elements (Transition Metals): F-Block Elements (Lanthanides and Actinides): Terms and Definitions D-Block Elements: F-Block Elements (Lanthanides and Actinides): Lanthanide Contraction The term “lanthanide contraction” refers to a phenomenon observed in the periodic table, specifically in the lanthanide series of elements. The lanthanide series includes the 15 elements from cerium (Ce, atomic number…

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Students’ Wish List

By Dr E. Ramanathan A students’ wish list can vary widely depending on their age, interests, and needs. Here are some common items that students might include on their wish list. For those looking to add a humorous touch, consider checking out the best gag gifts that can bring laughter to any occasion. 1. School…

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Parents’ Wish List

by Dr E. Ramanathan A parents’ wish list includes a variety of hopes and desires related to their children. It can be classifed as the wish list about their well-being, their family life, and their own personal needs and aspirations. Let us keep in mind that every parent’s wish list may be unique, yet I…

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Collect Money like a Honey Bee

According to Chanakya’s Arthashastra, governments or organisations should collect taxes or fees like a honeybee collects honey from flowers. The idea is that governments should collect taxes in the same way that a honeybee collects just the right amount of honey from a flower so that both the government and taxpayers can survive. The taxes should be…

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How to collect fees or tax from common people

பிசிராந்தையார் தமிழ் பாடல்  ’காய் நெல் அறுத்துக் கவளம் கொளினே,மா நிறைவு இல்லதும், பல் நாட்கு ஆகும்;நூறுசெறு ஆயினும், தமித்துப்புக்கு உணினே,வாய்புகுவதனினும் கால்பெரிது கெடுக்கும்;அறிவுடை வேந்தன் நெறி அறிந்து கொளினே,கோடி யாத்து, நாடுபெரிது நந்தும்;மெல்லியன் கிழவன் ஆகி, வைகலும்வரிசை அறியாக் கல்லென் சுற்றமொடு,பரிவுதப எடுக்கும் பிண்டம் நச்சின்,யானை புக்க புலம் போல,தானும் உண்ணான், உலகமும் கெடுமே!’’திணை: பாடாண்துறை: செவியறிவுறு. மக்கள் அரசு, வரியைஎப்படி முடிவு செய்ய வேண்டும்? நன்கு விளைந்த நெல்லை அறுத்துக்கவளமாக யானைக்குக் கொடுத்தால்ஒரு மாவிற்கும்…

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Students Tips to Use Smartphone Positively

மொபைல் ஃபோனை நேர்மறையாக பயன்படுத்துவது Using a mobile phone positively can greatly benefit students by enhancing their productivity, communication skills, and overall well-being. Here are some tips for students on how to use their mobile phones in a positive way: By using your mobile phone in a positive and purposeful way, you can enhance your academic…

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Saitechies Alumni Meet 2023

Old students of Saitech Informatics and Surya Academy are invited to attend the Saitechies Alumni Meet 2023 on 19th August 2023 at 6:30 pm. It was well organised by Pavani, Dharshini, Sainath and Harini. The alumni meet was started with Tamizh thai Vaazhthu. Pavani welcomed the alumni, current students and parents. Dr E. Ramanathan sir…

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Electromagnetic Waves

Class: STD 12 | Physics | NEET | JEE Concept Video by Dr E. Ramanathan Displacement Current Displacement current is a concept in electromagnetism that was introduced by James Clerk Maxwell to complete the set of Maxwell’s equations. Here are some key points about displacement current: The Displacement current is a critical concept in electromagnetism…

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