Electromagnetic Waves – 20 Numerical Problems ⚡ Electromagnetic Waves 20 Numerical Problems on Frequency, Wavelength & Time Period Fundamental Wave Equations \[c = \lambda f\] \[T = \frac{1}{f}\] \[f = \frac{1}{T}\] Where: c = speed of light, λ = wavelength, f = frequency, T = time period 🌈 Electromagnetic Spectrum Radio ← Microwave ← IR […]
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Universal Law of Gravitation – 20 Numerical Problems 🌍 Universal Law of Gravitation 20 Numerical Problems for NDA & Army Agniveer GD Newton’s Universal Law of Gravitation \[F = G\frac{m_1 m_2}{r^2}\] The gravitational force between two masses is directly proportional to the product of their masses and inversely proportional to the square of the distance
Proportionality Types – Interactive Infographic 📊 Types of Proportionality Complete Guide with Mathematical Formulas & Examples for Competitive Exams 🔵 Direct Proportion \(y \propto x\) Mathematical Form: \[y = kx\] where \(k\) is the constant of proportionality \((k > 0)\) Meaning: When one quantity increases, the other increases proportionally. When one decreases, the other decreases
Electromagnetic Waves – Complete Conceptual Guide for NEET/JEE 1. What are Electromagnetic Waves? Fundamental Nature: Electromagnetic waves are self-propagating disturbances in electromagnetic fields. Unlike mechanical waves that require a medium, EM waves can travel through empty space because they consist of oscillating electric and magnetic fields that regenerate each other. Physical Picture: Imagine a changing
Complete Gravitation for NEET/JEE | All Concepts & Examples 1. Introduction to Gravitation Gravitation is one of the four fundamental forces in nature, responsible for the attraction between all masses. Key Points for NEET/JEE: Weakest but longest-range force Always attractive (never repulsive) Acts between all masses, no matter how small Responsible for planetary motion, tides,
Orbital Velocity Simulator 🌍 Orbital Velocity Simulator Explore how orbital velocity changes with distance from Earth Distance (km): 400 km Animation Speed: 1.0x ⏸️ Pause 🔄 Reset Orbital Velocity 7.67 km/s Orbital Period 92.4 min Centripetal Force 8.73 m/s² 📚 Physics Behind Orbital Motion Orbital velocity is determined by the balance between gravitational force and
Displacement Current Simulation Displacement Current A changing electric field in the capacitor gap induces a magnetic field, just like a real current. Charge Capacitor Observe the magnetic field (B) forming around the wire AND in the capacitor gap. Conduction Current (I_C): 0.00 A Electric Field (E): 0.00 V/m Displacement Current (I_D): 0.00 A Magnetic Field
Kepler’s 3rd Law: Comparing Orbits Kepler’s Third Law (P² ∝ a³) Controls adjust the outer planet’s orbit. Compare its period to the fixed inner planet. Outer Planet Eccentricity (e₂) 0.40 Outer Planet Semi-Major Axis (a₂) 250 Animation Speed 1.0x Inner Planet Period (P₁): 0 Outer Planet Period (P₂): 0