Modern Physics – Physics Unit 6 – Class 12 – Maharashtra Board

Modern Physics – Unit VI consists of four chapters:

1. Chapter 13 – AC Circuits
2. Chapter 14 – Dual Nature of Radiation and Matter
3. Chapter 15 – Structure of Atoms and Nuclei
4. Chapter 16 – Semiconductor Devices

After studying the content, students would be able to

• Establish validity of particle nature of light from experimental results.
• Determine the necessary wavelength range of radiation to obtain photocurrent from given metals.
• Visualize the dual nature of matter and dual nature of light.
• Apply the wave nature of electrons to illustrate how better resolution can be obtained with an electron microscope.
• Check the correctness of different atomic models by comparing results of various experiments.
• Identify the constituents of atomic nuclei.
• Differentiate between electromagnetic and atomic forces.
• Obtain the age of a radioactive sample from its activity.
• Judge the importance of nuclear power.
• Explain use of p-n junction diode as a rectifier.
• Find applications of special purpose diodes for every day use.
• Explain working of solar cell, LED and photodiode.
• Relate the p-n junction diode and special purpose diodes.
• Realize transistor as an important building block of electronic circuits, analyze situations in which transistor can be used.