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  📌 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