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Armed Forces Flag Day – Tribute to the courage, sacrifice and service of India’s armed forces personnel – 7th December

Armed Forces Flag Day is a national observance held annually on 7 December to pay tribute to the courage, sacrifice and service of India’s armed forces personnel. The day also aims to raise funds for the welfare, rehabilitation and resettlement of ex-servicemen, war-widows, disabled soldiers and the families of martyrs through the Armed Forces Flag […]

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National Press Day – Honoring Free and Responsible Journalism | జాతీయ పత్రికా దినోత్సవం – 16th November

National Press Day 2025 – Significance, Theme, and History Introduction National Press Day is observed every year on November 16 to honor the Press Council of Indiaand promote the value of a free and responsible press. The day recognizes journalists who work tirelessly to keep the public informed while upholding truth and ethics in reporting. History of National Press

National Press Day – Honoring Free and Responsible Journalism | జాతీయ పత్రికా దినోత్సవం – 16th November Read More »

National Education Day: Honoring Maulana Abul Kalam Azad

Introduction National Education Day is celebrated every year on November 11 across India, honoring Maulana Abul Kalam Azad, the nation’s first Education Minister and a leading architect of India’s modern education system. Established in 2008 by the Ministry of Education, the day is dedicated to spreading awareness about the importance of inclusive education and remembering

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ISRO launches ‘Bahubali’ LVM3-M5 rocket with heaviest communication satellite ever from Indian soil on 02-11-2025

In a historic moment, India launched is heaviest communication satellite from its soil into a Geosynchronous Transfer Orbit (GTO) on Sunday from Satish Dhawan Space Centre, Sriharikota. This launch marks another stride in the country’s push to build self-reliant, high-capability space infrastructure. Upon successful launch, Indian Space Research Organisation (ISRO) posted on X, “LVM3-M5/CMS-03 Mission

ISRO launches ‘Bahubali’ LVM3-M5 rocket with heaviest communication satellite ever from Indian soil on 02-11-2025 Read More »

Chhath Puja: A Festival Celebrating the Sun God and Nature

Introduction Chhath Puja is one of the oldest and most revered Hindu festivals, celebrated mainly in Bihar, Jharkhand, Eastern Uttar Pradesh, and Nepal. This four-day festival is dedicated to Lord Surya (Sun God) and Chhathi Maiya, symbolizing gratitude, devotion, and purity. In 2025, Chhath Puja is observed from October 25th to October 28th. History and

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Personal wordpress website suddenly stopped working on i-phone mobile data, but working on wifi – solution found

iPhone on mobile data may rely on your mobile carrier’s DNS, which isn’t resolving properly. How to Fix Flush DNS on iPhone Toggle Airplane Mode ON → OFF – go to: Settings > Toggle Airplane Mode ON → OFF Your problem will be resolved

Personal wordpress website suddenly stopped working on i-phone mobile data, but working on wifi – solution found Read More »

Evaluate the functions of current and charge at different values of t seconds using geogebra classic 5 (Application of Integration) [Data Set: V= 20, R= 5, L = 10]

Aim: Data Set: V = 20, R = 5, L = 10 Procedure: Output: Output table for I and Q for V,R and L various values of t. t I(t) Q(t) 0 0 8 1 1.57 8.85 2 2.53 10.94 3 3.11 13.79 4 3.46 17.08 5 3.67 20.66 Output for I and Q for

Evaluate the functions of current and charge at different values of t seconds using geogebra classic 5 (Application of Integration) [Data Set: V= 20, R= 5, L = 10] Read More »

i) Draw the graphs of polynomial, rational and trigonometric functions ii) Determine their Limits and Derivatives – Ex -5 (NON-Circuital) & Ex -7 (Circuital)

Aim: Procedure: To evaluate the limit of the rational functions. To evaluate the first and second derivatives of the functions. Output: Limit of the polynomial functions h a-h a+h LHV RHV 1 0 2 6 0 0.5 0.5 1.5 3.75 0.75 0.2 0.8 1.2 2.64 1.44 0.1 0.9 1.1 2.31 1.71 0.08 0.992 1.008 2.0241

i) Draw the graphs of polynomial, rational and trigonometric functions ii) Determine their Limits and Derivatives – Ex -5 (NON-Circuital) & Ex -7 (Circuital) Read More »

INVERSE TRIGONOMETRIC FUNCTIONS (UNIT – II)

Syllabus: Recapitulation of domain and range of sin x, cos x, tan x, cosec x, sec x and cot x and their graphs – Definition of inverse trigonometric functions-Domain and range of sin⁻¹x, cos⁻¹x, tan⁻¹x, cosec⁻¹x, sec⁻¹x, cot⁻¹x and their graphs – Principle values of inverse trigonometric functions – simple problems. Function: Domain and Range

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Ex – 1 Draw the graphs of two circles and determine whether they touch each other externally or internally

Aim: Procedure: Output: Output for the touching Circles Circle1 Circle2 Equation \[(x-2)^2\ +\ (y+3)^2\ =\ 5\] \[(x-5)^2\ +\ (y-3)^2\ =\ 5\] Centre C1 = (2, -3) C2 = (5,3) Radius R1 = 2.24 R2 =4.47 C1C2: the distance between the centres d = 6.71 R1 + R2 6.71 |R1 – R2| 2.24 C1C2 = R1

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ఇంటి పరిసరాల్లో ఈ మొక్క ఉంటే ప్రమాదం!

ఎక్కడ ఖాళీ ప్రాంతముంటే అది తన రాజ్యమన్నట్టు పెరిగే  ‘పార్ధినియం హిస్టెరో ఫోరస్’ మొక్కను మీరూ చూసే ఉంటారు.   ఈ మొక్క మొదటగా 1956 లో ఇండియాలో కనిపించింది.  మెక్సికో నుంచి ఆహారధాన్యాలను పూణేకు దిగుమతి చేస్తుండగా ఇది విత్తనరూపంలో ఇండియాలోకి ప్రవేశించింది.  గాలి వేగంతో దేశమంతా పాకి ప్రమాదకరంగా మారిపోయింది.  ఈ మొక్క పర్యావరణానికి ముప్పు అని,  శ్వాసకోశ సమస్యలు వస్తాయని వైద్యులు హెచ్చరిస్తున్నారు. 

ఇంటి పరిసరాల్లో ఈ మొక్క ఉంటే ప్రమాదం! Read More »

డామినోస్ ఆట

ఫోన్ నుంచి దూరం పెట్టి పిల్లల్లో ఏకాగ్రత పెంచే ఆట డామినోస్. ఒక బ్లాక్ని కదిపితే చాలు, దాని వెనుక ఒక క్రమ పద్ధతిలో అమర్చిన రంగుల బ్లాక్స్ అన్నీ వరసగా పడిపోతాయి. ఆ ఆటనే డామినోస్ అంటారు. పిల్లలకే కాదు, పెద్దవాళ్లకీ ఓపికనీ, ఏకాగ్రతనీ పెంచే ఆట ఇది. డామినో బ్లాక్స్ ని ఒక నిర్ణీత దూరంలో అమరిస్తేనే వాటినన్నింటినీ ఒకేసారి పడేయగలం. దీన్నే డామినో రేస్ అంటారు. ఏమాత్రం ఏకాగ్రత తప్పినా, ఈ బ్లాక్స్

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Teachers day in Dr.B.R.Ambedkar Polytechnic College on 11-09-2024

Teachers day was conducted belatedly in our college’s Twin shed on . Principal Velayutham has cancelled the day’s classes. Final year students organised this programme. Principal decided to sponsor non-vegetarian lunch by collecting money from staff members. For this, I contributed Rs2,000 hurriedly as the students came to me with list, in that three members

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October-2023 TAMIL NADU POLYTECHNIC BOARD EXAM ENGINEERING MATHEMATICS – II(40022)QUESTION PAPER WITH SOLUTIONS

Equation (1) becomes At (1, 2, 3) ILATE To find the point of contact: For externally touching circles, the point of contact lies on the line segment joining the centers of the two circles. We can find the point of contact using the section formula, dividing the line segment joining C1 and C2 in the ratio of the radii r1:r2.

October-2023 TAMIL NADU POLYTECHNIC BOARD EXAM ENGINEERING MATHEMATICS – II(40022)QUESTION PAPER WITH SOLUTIONS Read More »

April-2024 TAMIL NADU POLYTECHNIC BOARD EXAM BASIC MATHEMATICS QUESTION PAPER WITH SOLUTIONS

1. Answer any fifteen questions in PART- A. All questions carry equal marks. (15 X 2 =30) 2. Answer all questions, choosing any two sub-divisions each question under Part-B. All questions carry equal marks. (5 X 14 = 70) ( 7 + 7) The Normal equations are In a standard deck of 52 playing cards,

April-2024 TAMIL NADU POLYTECHNIC BOARD EXAM BASIC MATHEMATICS QUESTION PAPER WITH SOLUTIONS Read More »

Tamil Marabu (2023 Regulations)

SYLLABUS: UNIT 1 – LANGUAGE AND LITERATURE Language Families in India – Dravidian Languages – Tamil as a Classical Language – Classical Literature in Tamil – Secular Nature of Sangam Literature – Distributive Justice in Sangam Literature – Management Principles in Thirukural – Tamil Epics and Impact of Buddhism & Jainism in Tamil Land – Bakthi Literature Azhwars and Nayanmars –

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