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 The Maharashtra Common Entrance Test (MHT-CET) is one of the most important exams for students aspiring to get admission into Engineering, Pharmacy, and Agricultural courses in Maharashtra. Scoring high in CET requires the right strategy, resources, and consistent practice. ---   1. Exam Pattern Subjects: Physics, Chemistry, Mathematics (PCM) or Physics, Chemistry, Biology (PCB) Mode: Online (Computer Based Test) Total Marks: 200 marks for PCM, 200 marks for PCB Duration: 3 hours Marking Scheme: Physics & Chemistry – 1 mark per question Mathematics – 2 marks per question No negative marking --- 2. Syllabus The CET syllabus is based on the Maharashtra State Board syllabus of Class 11 and 12. Class 11 weightage: 20% Class 12 weightage: 80% Physics: Laws of Motion, Gravitation, Oscillations, Electrostatics, Semiconductors, etc. Chemistry: States of Matter, Thermodynamics, Chemical Kinetics, Coordination Compounds, etc. Mathematics: Trigonometry, Calculus, Probability, V...

  <h2> Mensuration – Surface Area and Volume</h2> <h3>1. Introduction</h3> <p>Mensuration is the branch of mathematics that deals with the measurement of <b>length, area, and volume</b> of different shapes and solids.</p> <h3>2. 2D Shapes and Formulas</h3> <ol>   <li><b> Square :</b><br>     Area = a²<br>     Perimeter = 4a   </li>   <li><b> Rectangle :</b><br>     Area = l × b<br>     Perimeter = 2(l+b)   </li>   <li><b> Triangle :</b><br>     Area = ½ × base × height<br>     Using Heron’s Formula :<br>     √[s(s-a)(s-b)(s-c)], s = (a+b+c)/2   </li>   <li><b> Circle :</b><br>     Area = πr²<br>     Circumf...

 Circle – Definition, Formulas, and Applications 1. Definition A circle is the set of all points in a plane that are at a fixed distance (radius) from a fixed point (center). --- 2. Important Terms Center (O): The fixed point. Radius (r): Distance from center to any point on the circle. Diameter (d): Twice the radius.  Circumference (C): The perimeter of the circle. Chord: A line joining two points on the circle. Arc: A part of the circumference. Sector: A region bounded by two radii and an arc. --- 3. Formulas 1. Circumference: C = 2\pi r A = \pi r^2 L = \frac{\theta}{360^\circ} \times 2\pi r A_{\text{sector}} = \frac{\theta}{360^\circ} \times \pi r^2 --- 4. Applications In wheels, coins, clocks. For calculating distances in circular tracks. In geometry problems and engineering designs. --- 5. Example Problem Q: A circle has radius . Find its circumference and area. Solution: C = 2\pi r = 2 \times 3.14 \times 7 = 43.96 \text{ cm} A = \pi r^2 = 3.14 \times 7^2 = 153.86 \text{ ...

  <h2>1. What is a Circle?</h2> <p>A <strong>circle</strong> is the set of all points in a plane that are at a fixed distance (called the <strong>radius</strong>) from a fixed point (the <strong>centre</strong>).</p> <ul>   <li><strong>Centre</strong> = (h, k)</li>   <li><strong>Radius</strong> = r</li>   <li><strong>Diameter</strong> = d = 2r</li> </ul> <h2>2. Important Formulas</h2> <ul>   <li><strong>Circumference</strong>: C = 2 &pi; r</li>   <li><strong>Area</strong>: A = &pi; r²</li>   <li><strong>Length of an arc</strong> (angle θ in degrees): arc = (θ / 360) × 2 &pi; r</li>   <li><strong>Sector area</strong> (angle θ in degrees): sector = (θ / 360) × &pi...

 Top Tips to Prepare for MHT-CET Effectively MHT-CET (Maharashtra Common Entrance Test) is an important state-level exam for students aiming for engineering, pharmacy, or agriculture courses in Maharashtra. A good score can secure admission in top colleges, so preparation must be strategic. 1. Know the Syllabus Thoroughly The CET syllabus is based on the Maharashtra State Board curriculum. Class 11 syllabus: 20% weightage Class 12 syllabus: 80% weightage Focus more on Class 12 topics but do not skip Class 11 concepts. 2. Strengthen Concepts, Not Just Formulas In CET, many questions are application-based. Understand the logic behind formulas so you can solve tricky problems. 3. Practice Time Management The CET exam is 180 minutes for 150 questions. Practice mock tests to improve speed and accuracy. 4. Solve Previous Year Papers Past papers give you an idea about question trends, difficulty level, and important topics. 5. Use Short Notes for Revision Create small notes for formulas, ...

 Important Study Tips for NEET Preparation NEET is one of the most competitive and prestigious exams in India. To crack it, you need proper planning, consistent effort, and the right mindset. Here are some important tips that can boost your preparation: 1. Understand the Complete Syllabus NEET’s syllabus is based on NCERT, especially Physics, Chemistry, and Biology from classes 11 and 12. Read every chapter carefully. 2. Make a Daily Routine Keep your morning hours for difficult subjects and revise at night. 3. Practice MCQs The more MCQs you practice, the more confident you will be in the exam. 4. Solve Previous Year Papers Solving old papers helps you understand the exam pattern, types of questions, and time management. 5. Prepare Revision Notes Short notes make last-minute revision quick and effective. 6. Take Care of Your Health Maintain proper sleep and a healthy diet during preparation.   Author: Sarthak Prakash Patil

  📘 Basic Trigonometric Ratios: sin θ, cos θ, tan θ, cot θ, sec θ, cosec θ sin 0° = 0, cos 0° = 1, tan 0° = 0 sin 30° = 1/2, cos 30° = √3/2, tan 30° = 1/√3 sin 45° = 1/√2, cos 45° = 1/√2, tan 45° = 1 sin 60° = √3/2, cos 60° = 1/2, tan 60° = √3 sin 90° = 1, cos 90° = 0, tan 90° = ∞ --- 📘 Trigonometric Identities: 1. sin²θ + cos²θ = 1   2. 1 + tan²θ = sec²θ   3. 1 + cot²θ = cosec²θ --- 📘 Other Formulas: tan θ = sin θ / cos θ   cot θ = cos θ / sin θ   sec θ = 1 / cos θ   cosec θ = 1 / sin θ --- 📘 Complementary Angles: sin(90° - θ) = cos θ   cos(90° - θ) = sin θ   tan(90° - θ) = cot θ   cot(90° - θ) = tan θ   sec(90° - θ) = cosec θ   cosec(90° - θ) = sec θ --- 📘 Formulas in Triangle: Area = (1/2) × a × b × sin C   Law of Sines: a/sin A = b/sin B = c/sin C   Law of Cosines: c² = a² + b² – 2ab cos C --- 📌 Posted by: Sarthak Prakash Patil

  📌 Posted by: Sarthak Prakash Patil   📅 Updated: July 2025 🧬 **NEET Biology: Human Digestive System – Quick Summary** 📍 **Main Organs:** – Mouth   – Pharynx   – Esophagus   – Stomach   – Small Intestine (Duodenum, Jejunum, Ileum)   – Large Intestine   – Rectum and Anus 🧪 **Digestive Glands:** – Salivary Glands: Secretes salivary amylase (acts on starch)   – Liver: Produces bile (emulsifies fat)   – Pancreas: Secretes enzymes (trypsin, amylase, lipase)   🧫 **Enzymes & Their Actions:** – Pepsin: Protein → Peptides (in stomach)   – Lipase: Lipids → Fatty acids + Glycerol   – Amylase: Starch → Maltose   🧠 **NEET Tips:** – Focus on enzyme names & action sites   – Label the parts of the digestive system diagram   – Revise functions of glands daily 📌 **Remember:**   “Most People Eat Some Spicy Laddoos Regularly”...

  📌 Posted by: Sarthak Prakash Patil   📅 Updated: July 2025 📐 **CET Maths: Important Trigonometry & Geometry Formulas** 🔹 **Trigonometry Formulas**   sin²θ + cos²θ = 1   1 + tan²θ = sec²θ   1 + cot²θ = cosec²θ   sin(90°–θ) = cosθ   cos(90°–θ) = sinθ   tan(90°–θ) = cotθ 🔹 **Value Table (Degrees)**   θ :  0° 30° 45° 60° 90°   sinθ: 0 1/2 1/√2 √3/2 1   cosθ: 1 √3/2 1/√2 1/2 0   tanθ: 0 1/√3 1 √3 ∞ 🔹 **Geometry Formulas**   – Area of Triangle = ½ × base × height   – Area of Circle = πr²   – Circumference = 2πr   – Volume of Sphere = (4/3)πr³   – Volume of Cylinder = πr²h   – Surface Area of Cube = 6a²   🔸 **CET Tip:**   - Remember identities using charts   - Use trick triangles (30°–60°–90° & 45°–45°–90°)   - Practice formula-based MCQs daily 📚 Blog: Sarthak’s Edu...

  📌 Posted by: Sarthak Prakash Patil   📅 Updated: July 2025 🚀 **Laws of Motion – CET Physics Formula Sheet** 📘 **Newton's Laws:** 1️⃣ First Law (Inertia) – A body remains in its state of rest or uniform motion unless acted upon by an external force.   2️⃣ Second Law – F = ma   3️⃣ Third Law – For every action, there is an equal and opposite reaction. 📐 **Important Formulas:** – Net Force: F = ma   – Friction Force: f = μN   – Tension, Normal Force concepts   – Inclined plane:     a = g(sinθ – μcosθ) 🧲 **Friction Types:** - Static Friction (fₛ ≤ μₛN)   - Kinetic Friction (fₖ = μₖN) 💡 **Tips:** - Always draw free body diagrams (FBD).   - Use proper sign conventions.   - Understand components along slope in inclined plane questions. 🎯 Practice MCQs on Laws of Motion for faster recall in CET exam. 📚 Blog: Sarthak’s Education Corner

 📌 Posted by: Sarthak Prakash Patil   📅 Updated: July 2025 🌍 Gravitation – CET Physics Formula Sheet 🔹 Universal Law of Gravitation:     F = (G × m₁ × m₂) / r² 🔹 Gravitational Field (g):     g = GM / r² 🔹 Gravitational Potential Energy (U):     U = –GMm / r 🔹 Escape Velocity (vₑ):     vₑ = √(2GM / R) = √(2gR) 🔹 Orbital Velocity (vₒ):     vₒ = √(GM / r) 🔹 Kepler’s Laws (Short Notes):     1. Orbit = Elliptical     2. Equal areas in equal time     3. T² ∝ r³ 📌 Tip: – Use G = 6.67×10⁻¹¹ Nm²/kg²   – g = 9.8 m/s²   – Practice numericals with sign conventions! 📖 Blog: Sarthak’s Education Corner

📘 What is a Vector? A vector is a physical quantity that has both magnitude and direction. Examples: Velocity, Force, Acceleration --- 🔹 Basic Vector Formulas 1. Vector Representation: 2. Magnitude of Vector: 3. Unit Vector: 4. Addition of Vectors (Resultant):  (when angle θ between A and B is known) 5. Subtraction of Vectors: --- 🔹 Types of Products 1. Dot Product (Scalar Product): Result → Scalar 2. Cross Product (Vector Product): Result → Vector (direction given by right-hand rule) --- 🔹 Vector Resolution: If vector A makes an angle θ with x-axis: --- 🧠 Tip for CET: Remember units and dimensions of vector quantities Use graphical methods for vector addition Practice direction-angle based MCQs --- 📌 Written by: Sarthak Prakash Patil 🌐 Blog: Sarthak’s Education Corner

 📘 Important Chemistry Formulas for CET Here is a quick reference formula sheet covering the most important topics in Chemistry for the CET entrance exam: --- 🔹 Mole Concept Number of moles = Given mass / Molar mass Number of particles = Moles × Avogadro’s number Molarity (M) = Moles of solute / Volume of solution (L) --- 🔹 Chemical Reactions Law of Conservation of Mass Balancing Redox Reactions using oxidation number method --- 🔹 Thermodynamics ΔH = q (at constant pressure) q = m × c × ΔT ΔG = ΔH - TΔS --- 🔹 Equilibrium Kc = [products]^coefficients / [reactants]^coefficients Le Chatelier's Principle --- 🔹 Acids & Bases pH = –log[H⁺] Ka × Kb = Kw pH + pOH = 14 --- 🔹 Electrochemistry E°cell = E°cathode – E°anode ΔG° = –nFE°cell --- 🔹 Organic Chemistry Functional groups identification General formulas: Alkane: CnH₂n+2 Alkene: CnH₂n Alkyne: CnH₂n–2 Isomerism basics Nomenclature rules (IUPAC) --- 📥 Tip: Revise these formulas daily. Use flashcards or sticky notes for better...

 🔋 Key Concepts: Electric Current (I): Flow of electric charge. 👉 Unit: Ampere (A) Voltage (V): Electric potential difference. 👉 Unit: Volt (V) Resistance (R): Opposition to the flow of current. 👉 Unit: Ohm (Ω) --- 🔌 Important Formulas: 1. Ohm’s Law: 🔸 V = I × R 2. Power (P): 🔸 P = V × I 🔸 P = I² × R 🔸 P = V² ÷ R 3. Electrical Energy: 🔸 E = P × t (in Joules) 🔸 E = P × t ÷ 1000 (in kWh) --- 🧮 Resistor Combinations: Series: 🔸 R_total = R₁ + R₂ + R₃ + ... Parallel: 🔸 1/R_total = 1/R₁ + 1/R₂ + ... --- 🧠 Tips to Remember: Series Circuit: 🔹 Current = Same 🔹 Voltage = Divided Parallel Circuit: 🔹 Voltage = Same 🔹 Current = Divided Power increases with square of current! --- 📌 Posted by: Sarthak Prakash Patil 📖 Sarthak’s Education Corner

🔋 Key Concepts: Electric Current (I): Flow of electric charge. 👉 Unit: Ampere (A) Voltage (V): Electric potential difference. 👉 Unit: Volt (V) Resistance (R): Opposition to the flow of current. 👉 Unit: Ohm (Ω) --- 🔌 Important Formulas: 1. Ohm’s Law: 🔸 V = I × R 2. Power (P): 🔸 P = V × I 🔸 P = I² × R 🔸 P = V² ÷ R 3. Electrical Energy: 🔸 E = P × t (in Joules) 🔸 E = P × t ÷ 1000 (in kWh) --- 🧮 Resistor Combinations: Series: 🔸 R_total = R₁ + R₂ + R₃ + ... Parallel: 🔸 1/R_total = 1/R₁ + 1/R₂ + ... --- 🧠 Tips to Remember: In Series: 🔸 Current is same 🔸 Voltage divides In Parallel: 🔸 Voltage is same 🔸 Current divides Power increases with square of current! --- 📌 Posted by: Sarthak Prakash Patil 📖 Sarthak’s Education Corner

 🔹 Introduction: Probability म्हणजे "शक्यता". हा chapter conceptual आणि scoring आहे. CET/NEET मध्ये दरवर्षी 1-2 प्रश्न probability वरून येतात. --- 📘 1. Basic Terms: Experiment: कोणतीही क्रिया ज्याचा result निश्चित नाही Sample Space (S): सगळे शक्य outcomes Event (E): एखादा outcome किंवा त्याचा group Favorable Outcomes: हवे असलेले outcomes --- 📗 2. Important Formula: Probability of an event (E): P(E) = \frac{\text{Number of favorable outcomes}}{\text{Total number of outcomes}} 0 ≤ P(E) ≤ 1 P(E') = 1 – P(E) (complementary event) --- 🎲 3. Example Problems: 🎯 Q1: एका coina ला टाकल्यावर head येण्याची शक्यता काय? 👉 S = {H, T} → P(H) = 1/2 🎯 Q2: एका dice वर 2 येण्याची शक्यता? 👉 S = {1,2,3,4,5,6} → P(2) = 1/6 🎯 Q3: एका कार्डातून King काढण्याची शक्यता? 👉 Total cards = 52 → Kings = 4 → P(King) = 4/52 = 1/13 --- 🧠 4. Quick Tips: Probability कधीच negative होत नाही जर “at least” असं दिलं, तर complementary rule वापर Total outcomes नीट count कर Replacement/No Replacement समजून...

 🔹 Introduction: Periodic Table ही Chemistry ची Foundation आहे. त्यातील Periodic Trends समजून घेतले, की MCQs सोडवणं खूप सोपं होतं. चला बघूया मुख्य trends एकदम सोप्या भाषेत. --- 📘 1. Atomic Radius (परमाणु त्रिज्या) Left to Right (→): कमी होते Top to Bottom (↓): वाढते 📌 Reason: Nuclear charge वाढतो → electrons जास्त attract होतात → size कमी --- 📗 2. Ionization Energy (IE) →: वाढते ↓: कमी होते 📌 Reason: छोटं atom = electrons घट्ट धरलेले → जास्त energy लागते --- 📙 3. Electron Affinity (EA) →: वाढते ↓: कमी होते 📌 Cl ला highest EA – कारण त्याला electron add करायला आवडतं --- 📕 4. Electronegativity (EN) →: वाढते ↓: कमी होते 📌 F (Fluorine) ला highest EN – तो electrons खूप जोरात खेचतो --- 🧠 Extra Trends: Trend Across Period (→) Down Group (↓) Atomic Radius ⬇ Decreases ⬆ Increases Ionization Energy ⬆ Increases ⬇ Decreases Electronegativity ⬆ Increases ⬇ Decreases Electron Affinity ⬆ Increases ⬇ Decreases Metallic Character ⬇ Decreases ⬆ Increases --- 🔎 Important Points: Group 1 (Al...

 🔹 Introduction: Laws of Motion हे CET आणि NEET साठी अत्यंत महत्त्वाचं chapter आहे. Newton चे तीन नियम, force, inertia, friction हे concept समजून घेतले की problem-solving सोपी होते. --- 📚 Newton's Laws of Motion: 1️⃣ First Law (Law of Inertia): “A body remains in a state of rest or uniform motion unless acted upon by an external force.” 👉 Formula: No net force ⇒ No acceleration 👉 Example: Seatbelt effect in moving car. 2️⃣ Second Law: “The rate of change of momentum is directly proportional to the applied force.” 👉 Formula: F = ma 👉 Units: Newton (N) = kg·m/s² 3️⃣ Third Law: “For every action, there is an equal and opposite reaction.” 👉 Example: Recoil of gun, walking --- 🧲 Types of Forces: Contact Forces: Friction, Normal, Tension Non-contact Forces: Gravitational, Magnetic, Electrostatic Spring Force: F = –kx Friction Force: f = μN --- 🛞 Circular Motion: Centripetal Force: F = mv²/r Acts towards the center Example: Vehicle on curved road --- ⚡ Important Formulas: Concept...

 🔹 Introduction: Units आणि Dimensions हे CET आणि NEET दोन्ही परीक्षांमध्ये खूप महत्त्वाचं टॉपिक आहे. यातून दरवर्षी 1–2 प्रश्न हमखास विचारले जातात. चला तर मग बघूया महत्वाचे Units, Dimensions आणि Short Tricks! --- 📚 Basic Physical Quantities and SI Units: Length → metre (m) → [L] Mass → kilogram (kg) → [M] Time → second (s) → [T] Current → ampere (A) → [I] Temperature → kelvin (K) → [θ] Amount of substance → mole → [N] Luminous Intensity → candela (cd) → [J] --- 📐 Derived Quantities with Dimensions: Velocity = Distance / Time → [LT⁻¹] Acceleration = Velocity / Time → [LT⁻²] Force = Mass × Acceleration → [MLT⁻²] Work = Force × Distance → [ML²T⁻²] Power = Work / Time → [ML²T⁻³] Pressure = Force / Area → [ML⁻¹T⁻²] Density = Mass / Volume → [ML⁻³] Momentum = Mass × Velocity → [MLT⁻¹] Impulse = Force × Time → [MLT⁻¹] --- 📌 Dimensionless Quantities: Angle (radian) = arc / radius Refractive Index = c / v Strain = ΔL / L --- 💡 Quick Tips: • Formula वापरून dimensions derive कर • Dimensio...

📚 Introduction:   CET मध्ये Trigonometry वर आधारित 4–6 प्रश्न येतात, जे फार वेळ न घेता सोडवता येतात – फक्त Formulas पक्के असले पाहिजेत!   ही post तुम्हाला सर्व महत्त्वाच्या Trigonometric identities, values, आणि tricks एका ठिकाणी देणार आहे. 🧮 Basic Trigonometric Ratios: θ | sin θ | cos θ | tan θ   -------|--------|--------|--------   0° | 0 | 1 | 0   30° | 1/2 | √3/2 | 1/√3   45° | √2/2 | √2/2 | 1   60° | √3/2 | 1/2 | √3   90° | 1 | 0 | ∞   📐 Reciprocal Identities: - csc θ = 1 / sin θ   - sec θ = 1 / cos θ   - cot θ = 1 / tan θ   🔁 Pythagorean Identities: - sin²θ + cos²θ = 1   - 1 + tan²θ = sec²θ   - 1 + cot²θ = csc²θ   🔄 Trigonometric Ratios of (90° − θ): sin(90°−θ) = cos θ   cos(90°−θ) = sin θ   tan(90°−θ) = cot θ   cot(90°−θ) = tan θ   sec...