# NCERT Solutions for Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter

NCERT solutions for class 12 Physics chapter 11 Dual Nature of Radiation and Matter: Dual nature mentioned in this chapter is the particle and the wave nature. In NCERT solutions for class 12 Physics chapter 11 Dual Nature of Radiation and Matter, you will study both particle and wave nature of light. Experimental study of the photoelectric effect is an important topic of class 12 physics chapter 11 for CBSE board exam and other competitive exams. Most of the question asked from NCERT solutions for class 12 Physics chapter 11 Dual Nature of Radiation and Matter will be based on the understanding of the basics.

The main formulas to be noted in NCERT solutions for class 12 Physics chapter 11 Dual Nature of Radiation and Matter are given below.

• Einstein’s photoelectric equation:

That is the maximum kinetic energy = energy of photon - work function

• the De-Broglie wavelength of a charged particle is

is mass of the charged particle, K is the kinetic energy and V is the potential.

## The main topics discussed in NCERT solutions for class 12 Physics chapter 11 Dual Nature of Radiation and Matter are listed below:

11.1 Introduction

11.2 Electron Emission

11.3 Photoelectric Effect

11.3.1 Hertz’s Observations

11.3.2 Hallwachs’ and Lenard’s Observations

11.4 Experimental Study of Photoelectric Effect

11.4.1 Effect of Intensity of Light on Photocurrent

11.4.2 Effect of Potential on Photoelectric Current

11.4.3 Effect of Frequency of Incident Radiation on Stopping Potential

11.5 Photoelectric Effect and Wave Theory of Light

11.6 Einstein's Photoelectric Equation: Energy Quantum of Radiation

11.7 Particle Nature of Light: The Photon

11.8 Wave Nature of Matter

11.9 Davisson and Germer Experiment

Understand all the graphs in NCERT class 12 Physics chapter 11 Dual Nature of Matter and Radiation in depth, which will help you to build an interest in the NCERT class 12 Physics chapter 11.

Try to solve all the questions NCERT including solved questions yourself. If you are getting any doubt you can refer NCERT solutions for class 12 Physics chapter 11 Dual Nature of Radiation and Matter provided below.

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## NCERT Solutions for Class 12 Physics- Chapter wise

 Chapter 1 Electric Charges and Fields Chapter 2 Electrostatic Potential and Capacitance Chapter 3 Current Electricity Chapter 4 Moving charges and magnetism Chapter 5 Magnetism and Matter Chapter 6 Electromagnetic Induction Chapter 7 Alternating Current Chapter 8 Electromagnetic Waves Chapter 9 Ray Optics and Optical Instruments Chapter 10 Wave Optics Chapter 12 Atoms Chapter 13 Nuclei Chapter 14 Semiconductor Electronics: Materials, Devices and Simple Circuits

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