DESK SHEET NEET Physics 140+ Triage & Formula Deewar Wall Sheet
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The Dropper Express • Seedha Kota Se 📌 Room Ki Deewar Pe Chipkao • Sheet 1 of 3 (Triage Board)
NEET Physics 140+ Triage Board: Low-Math & High-Yield Ranking
Mechanics Ka Darr Chhodo • 7 Safe Units Jo 120+ Number Dete Hain • Tier 1 vs Tier 2 vs Tier 3 Strategy
Dropper Ka Naam: ____________________________ Target Score: 140+ in Physics (GMC Pakka) (GMC Chahiye) Deewar Pe Chipkaya: ____/____/2026
Tier 1: The Safe 120-Mark Cluster (Pehle Ye Padho)
Modern Physics (Dual Nature, Atoms, Nuclei) 8-10 Qs
Photoelectric stopping potential & de Broglie wavelength
Bohr radius, velocity, and energy level transitions
Mass defect, binding energy per nucleon curve, Q-value
Semiconductor Electronics 3-4 Qs
Logic gates truth table & combination circuits
P-N junction forward/reverse bias dynamic resistance
Energy band gap difference (metals, insulators, semiconductors)
Current Electricity 4-5 Qs
Drift velocity, current density, and mobility relations
Kirchhoff rules & Wheatstone bridge networks
Meter bridge null point sensitivity (Potentiometer deleted)
Unit 20: Experimental Skills 3-4 Qs
Vernier Calipers & Screw Gauge (LC & Zero Error)
Resonance Tube speed of sound & end correction
Prism angle of minimum deviation calculations
Tier 2: Standard Scoring Units (10-12 Days)
Ray Optics & Optical Instruments 3-4 Qs
Lens maker formula & combination of thin lenses
Critical angle & Total Internal Reflection (optical fibers)
Compound microscope & astronomical telescope magnification
Gravitation 2-3 Qs
Variation of g with altitude, depth, and latitude
Escape velocity vs orbital velocity relation (v_e = √2 v_o)
Kepler laws of planetary motion (T² ∝ R³)
Thermal Physics & KTG 3-4 Qs
Ideal gas equation, degrees of freedom, and internal energy
First law of thermodynamics (ΔQ = ΔU + W) & P-V work
Conduction heat current & Stefan-Boltzmann law
Tier 3: Mechanics Ka Trap (Sirf Formula, No Deep Dive)
Ye Chapters Mahino Kha Jaate Hain Par Marks Kam Dete Hain:
• Rotational Motion: Sirf symmetric bodies ka Moment of Inertia aur Torque (τ = Iα) yaad karo. Rolling without slipping ke deep derivation me mat fasso.
• Work Power Energy: Direct Work-Energy Theorem (W_net = ΔK) lagao. Multi-block friction chhod do.
• Exam Day Strategy: NEET me 45 compulsory questions hain. Round 1 me Tier 1 formula questions pehle target karo!
The Dropper Express • Desk Sheet System • Ungated Public Asset Roomie / Study Circle Ko Bhejo • learnzy.co.in/the-dropper-express Ver: NEET 2027 / Sep 2026 Edition
The Dropper Express • Seedha Kota Se 📌 Room Ki Deewar Pe Chipkao • Sheet 2 of 3 (Formula Cards)
NEET Physics: 25 Instant-Recall Formula Cards
Ye 25 Formulae Har Saal 80+ Marks Banate Hain • Roz Subah Chai Ke Saath 5 Min Glance Karo
Dropper Ka Naam: ____________________________ Target Score: Direct Formula = Instant 4 Marks (GMC Chahiye) Deewar Pe Chipkaya: ____/____/2026
Modern Physics & Dual Nature
Photoelectric Effect K_max = hν - φ₀ = eV₀ = hc/λ - hc/λ₀
de Broglie Wavelength λ = h/p = h/√(2mE) = 1.227/√V nm (electron)
Bohr Radius & Velocity r_n = 0.529 (n²/Z) Å • v_n = 2.18×10⁶ (Z/n) m/s
Bohr Energy Levels E_n = -13.6 (Z²/n²) eV • ΔE = 13.6 Z² (1/n₁² - 1/n₂²)
Nuclear Radius R = R₀ A^(1/3) • where R₀ = 1.2×10⁻¹⁵ m (1.2 fm)
Mass Defect & Q-Value ΔE = Δm (in amu) × 931.5 MeV • Q = (m_react - m_prod)c²
Current Electricity & Magnetism
Drift Velocity & Current I = n e A v_d • v_d = (eE/m)τ • j = σE
Resistance & Temp R_T = R₀(1 + αΔT) • P = VI = I²R = V²/R
Meter Bridge (Null) R/S = l / (100 - l) • Keep balance near 50 cm
Circular Loop Center B = (μ₀ N I) / (2 R) • Axis: B = (μ₀ N I R²) / 2(R² + x²)^(3/2)
Solenoid Field B = μ₀ n I • where n = N / L (turns per unit length)
Magnetic Force F = q(v × B) • r = mv / (qB) • T = 2πm / (qB)
Optics & Instruments
Lens Maker Formula 1/f = (μ - 1) [1/R₁ - 1/R₂] • P = 1/f(m)
TIR & Critical Angle sin(θ_c) = 1 / μ • μ = 1 / sin(θ_c)
Prism Minimum Dev. μ = sin[(A + δ_m)/2] / sin(A/2) • δ ≈ (μ - 1)A (thin)
Compound Microscope m = - (L / f_o) × (D / f_e) (normal adjustment)
Telescope Magnification m = - f_o / f_e • Tube length L = f_o + f_e
Gravitation & Unit 20 Practicals
g Variation (Height/Depth) g_h = g(1 - 2h/R) [h << R] • g_d = g(1 - d/R)
Orbital & Escape Speed v_o = √(GM/R) • v_e = √(2GM/R) = √2 v_o ≈ 11.2 km/s
Vernier Caliper LC LC = 1 MSD - 1 VSD • Reading = MSR + (VSR × LC) - ZeroError
Screw Gauge LC LC = Pitch / Circular Divisions • Reading = PSR + (CSR × LC) - ZE
Resonance Tube Speed v = 2f(l₂ - l₁) • End correction e = (l₂ - 3l₁) / 2 = 0.3d
Ideal Gas Equation PV = nRT = N k_B T • v_rms = √(3RT/M) = √(3k_B T/m)
Conduction Heat Rate dQ/dt = (KA/L)(T₁ - T₂) • Thermal Resistance R = L / (KA)
The Dropper Express • Desk Sheet System • Ungated Public Asset Roomie / Study Circle Ko Bhejo • learnzy.co.in/the-dropper-express Ver: NEET 2027 / Sep 2026 Edition
The Dropper Express • Seedha Kota Se 📌 Room Ki Deewar Pe Chipkao • Sheet 3 of 3 (Daily Habit Tracker)
The 30-Day Physics Habit Tracker & Mistake Triage
Roz Ke 30 Sawaal (2:00 PM Se 5:00 PM Slot) • Calculation Slip vs Formula Gap Alag Note Karo
Dropper Ka Naam: ____________________________ Target Score: 30 Questions × 30 Days = 900 PYQs Solved (GMC Chahiye) Deewar Pe Chipkaya: ____/____/2026
The 3-Minute Pencil Timer Ground Rule
Sawaal Dekhkar Blank Hone Ka Permanent Ilaj:
1. Sawaal ko kahani ki tarah mat padho. Pehle 30 second me rough paper pe 3 cheezein likho: Given (m, v, B ke numbers), Find (kya poocha hai?), aur Formula (connecting equation).
2. Timer lagao: 3 minute se pehle solution book kholna mana hai. Agar 3 minute baad bhi na bane, toh solution ki sirf pehli formula line dekho, book band karo aur math khud complete karo.
3. Shaam ko galti classify karo: Kya formula yaad nahi tha? Ya 3 × 10⁸ ko multiply karne me galti hui? Math errors ko Learnzy me tag karo!
30-Day Physics Question Sprint Log
Day Chapter Name Target (30 Qs) Time Taken Formula Gaps Math Slips Accuracy %
D-01Modern Physics: Dual Nature[ ] 30 PYQs____ min____ Qs____ Qs____ %
D-02Modern Physics: Atoms[ ] 30 PYQs____ min____ Qs____ Qs____ %
D-03Modern Physics: Nuclei[ ] 30 PYQs____ min____ Qs____ Qs____ %
D-04Semiconductor: Diodes & Bias[ ] 30 PYQs____ min____ Qs____ Qs____ %
D-05Semiconductor: Logic Gates[ ] 30 PYQs____ min____ Qs____ Qs____ %
D-06Current: Drift & Ohm's Law[ ] 30 PYQs____ min____ Qs____ Qs____ %
D-07Current: Circuits & Bridge[ ] 30 PYQs____ min____ Qs____ Qs____ %
D-08Unit 20: Vernier & Screw Gauge[ ] 30 PYQs____ min____ Qs____ Qs____ %
D-09Unit 20: Meter Bridge & Sound[ ] 30 PYQs____ min____ Qs____ Qs____ %
D-10Ray Optics: Reflection & Refraction[ ] 30 PYQs____ min____ Qs____ Qs____ %
D-11Ray Optics: Lenses & Prism[ ] 30 PYQs____ min____ Qs____ Qs____ %
D-12Optical Instruments[ ] 30 PYQs____ min____ Qs____ Qs____ %
D-13Gravitation: Field & Potential[ ] 30 PYQs____ min____ Qs____ Qs____ %
D-14Gravitation: Satellites & Kepler[ ] 30 PYQs____ min____ Qs____ Qs____ %
D-15Milestone Test: Safe Cluster Part Mock[ ] 45 Compulsory50 minScore: _____ / 180 (Target: 120+)
The Dropper Express • Desk Sheet System • Ungated Public Asset Roomie / Study Circle Ko Bhejo • learnzy.co.in/the-dropper-express Ver: NEET 2027 / Sep 2026 Edition