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- Dr.Sanjaykumar Pawar  Electromagnetic Radiation for NEET: Complete NCERT Notes, Formulas & Questions  Electromagnetic spectrum showing wavelength, frequency, visible light region, and important chemistry formulas for NEET preparation. Internal Links Structure of Atom Notes Dual Nature of Matter and Radiation Photoelectric Effect Explained Atomic Models Bohr's Atomic Theory Quantum Mechanical Model of Atom Planck Quantum Theory Wave Nature of Light Hydrogen Spectrum Mole Concept Atomic Structure MCQs NEET Physical Chemistry Notes NCERT Chemistry Class 11 Notes Chemistry Formula Handbook Chemistry Previous Year Questions Chemistry Mock Tests What is Electromagnetic Radiation? Electromagnetic Radiation (EMR) is a form of energy that travels through space in the form of electromagnetic waves. These waves are produced whenever an electrically charged particle accelerates. Unlike sound waves, electromagnetic waves do not require a materi...

Photoelectric Effect Graphs for NEET – KE vs Frequency & Current vs Voltage Explained 🔗  INTERNAL LINKS Motion in a Straight Line (Physics Basics) Dual Nature of Matter Notes Planck’s Quantum Theory Explained NEET Physics Mock Tests Wave Optics Basics NEET Mock Test - Photoelectric Effect 🔥 NEET Mock Test (Photoelectric Effect) Q1. Stopping potential depends on? A) Intensity B) Frequency C) Distance D) Area Answer: B Stopping potential depends on kinetic energy which depends on frequency. Q2. If frequency equals threshold frequency, KE is? A) Maximum B) Zero C) Infinite D) Constant Answer: B At threshold frequency, electron just escapes so KE = 0. Q3. Work function depends on? A) Frequency B) Material C) Intensity D) Temperature Answer: B Each metal has its own work function. Q4. Increasing intensity will? A) Increase KE B) Increase electrons C) Decrease KE D) No effect Answer: B Intensity increases number of photons → more electrons....