Applied Physcs-II(Tamil)

90 65

Regulation 2023

ISBN978-81-19432-65-3

Unit I SOUND & OPTICS

Wave motion – audible range – infrasonic and ultrasonic – longitudinal, transverse and progressive waves – standing waves – free and forced vibration – Sonometer – acoustics of buildings – echo – reverberation – reverberation time – Sabine formula (no derivation) – Noise pollution – Doppler effect – applications.
Reflection – Refraction – laws of reflection and refraction – refractive index of a medium – Total internal reflection – fiber optics –applications – Laser – Principle – applications – point lasers – remote sensing – RADAR – principle and applications – Sensors – Basics – various types – applications – Optoelectronic devices

Unit II BASICS OF ELECTRICITY AND MAGNETISM

Current- Voltage – Ohm’s law – resistance – resistivity – effective resistance – Kirchhoff current and voltage law – Internal resistance of the cell – Joule’s law of heating – applications of heating effect of electric current
Faraday law of electromagnetic induction – Inductor – self & mutual Inductance – applications – bar magnets – Pole strength – Magnetic moment –intensity of magnetization – magnetic field – types of magnetic materials and applications

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