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Students are also expected to solve exercises at the end of the chapter. There are a total of nine topics that have been covered in this chapter. Chapter 8 — Electromagnetic Waves This chapter on Electromagnetic waves discusses three important topics in Physics — displacement current, electromagnetic waves, and the electromagnetic spectrum.
Students are also given exercises to solve at the end of the chapter.
It also talks about refraction and dispersion by a prism and some natural phenomena due to sunlight. There are also exercises at the end of the chapter for the students to solve.
Chapter 10 — Wave Optics After introducing students to optics and optical instruments in the previous chapter, this chapter talks about wave optics at length.
Important applications of wave optics like 3D glasses, the thin film used in cars, etc. This chapter covers a total of nine topics and discusses two primary arguments like what kind of properties does radiation have?
Does it resemble a particle or a wave or both? Do matters also possess particle-wave dualism? Chapter 12 — Atoms After discussing the matter in the previous chapter, this chapter discusses atoms in details.
We all know that every organic and inorganic object is made up of atoms. A total of six topics have been covered in this chapter. Chapter 13 — Nuclei After discussing the atom in details, this chapter proceeds onto the next topic, i.
The first topic is an introduction to the nuclei and the other ones are - the composition of the nucleus, the size of the nucleus, the nuclear force, nuclear energy, and radioactivity. The chapter also discusses the interaction between different nuclei and how nuclear energy can solve the present day energy crisis.
The first topic talks about the classification of metals, conductors, and semiconductors.
Find the number of turns in the secondary to get the power output at V. Which one leads in phase: current or voltage? Without making any other change, find the value of the additional capacitor C1, to be connected in parallel with the capacitor C, in order to make the power factor of the circuit unity.
Write the expression for the displacement current in terms of the rate of change of electric flux. Calculate the speed of light through the prism. Find the angle of incident at face AB so that the emergent ray grazes along the face AC. Rashmi Singh broke her reading glasses.
When she went to the shopkeeper to order new spects, he suggested that she should get spectacles with plastic lenses instead of glass lenses. On getting the new spectacles, she found that the new ones could not offer satisfactory explanation for this. At home, Mrs.
Singh raised the same question to her daughter Anuja who explained why plastic lenses were thicker. How does one get linearly polarised light with the help of a Polaroid? A narrow beam of unpolarised light of intensity I0 is incident on a Polaroid P1.
The light transmitted by it is then incident on a second Polaroid P2 with its pass axis making angle of 60 relative to the pass axis of P1. Find the intensity of the light transmitted by P2.
Diffraction due to a single slit, width of central maximum. Resolving power of microscopes and astronomical telescopes. Matter waves-wave nature of particles, de Broglie relation. Chapter Nuclei Composition and size of nucleus, atomic masses, isotopes, isobars; isotones. Unit IX: Electronic Devices Chapter Semiconductor Electronics: Materials, Devices and Simple Circuits Energy bands in conductors, semiconductors and insulators qualitative ideas only Semiconductor diode - I-V characteristics in forward and reverse bias, diode as a rectifier; Special purpose p-n junction diodes: LED, photodiode, solar cell and Zener diode and their characteristics, zener diode as a voltage regulator.
Unit X: Communication Systems Chapter Communication Systems Elements of a communication system block diagram only ; bandwidth of signals speech, TV and digital data ; bandwidth of transmission medium.