Consider a particle of mass m bouncing back and forth between the walls of one dimensional potential well as shown in figure. The particle is said to be under bound…
Starting from Planck’s quantum theory of radiation arrive at Wein’s law and Rayleigh-Jean’s law. Answer:- Planck’s law could be reduced to Wien’s distribution law and Rayleigh-Jeans law in the shorter…
On this website, you will find all subjects solved model question paper with answers and VTU 1st Year 21PHY12 Engineering Physics Solved Model Question paper with answers. Engineering Physics Solved…
5.C] Estimate the attenuation in an optical fiber of length 500m when a light signal of power 100mW emerges out of fiber with a power 90mw. Answer:-
2. c) The distance between two pressure sensors in a shock tube is 200 mm. The time taken by a shock wave to travel this distance is 0.4ms. If the…
6.B] Explain how laser find application in eye surgery Answer:- Eye Treatment: LASIK (Laser-assisted in situ keratomileuses) is commonly known as laser eye surgery or laser vision correction. It is…
4.B] State Heisenberg uncertainty Principle. Show that electron does not exists inside the nucleus by this Principle. Answer:- Statement :- The simultaneous determination of the exact position and momentum of…
Derive the expression for the numerical aperture of an optical fiber. Mention any twomerits and demerits of optical communication. Answer:- Merits of Optical Communication Bandwidth is above copper cables Less…
2. b) Define the Mach number. Distinguish between Ultrasonic, subsonic, supersonic, and hypersonic waves. Answer: Mach number: Mach number is defined as the ratio of the speed of the object…
2. a) What are damped oscillations? Discuss the theory of damped oscillations. Represent overdamping, critical damping, and under-damping by the graph. Answer: Damped oscillations: If the amplitude of oscillations decreases…
