BT-201 (GS) – Engineering Physics
• Attempt any five questions.
• All questions carry equal marks.
a)Unit 1Deduce the energy eigenvalues and wave function of a particle moving in one dimensional box.
Deduce the energy eigenvalues and wave function of a particle moving in one dimensional box.
b)Unit 1Explain about the Heisenberg's uncertainty principle in detail.
Explain about the Heisenberg's uncertainty principle in detail.
a)Unit 2Explain the Fraunhofer diffraction due to single slit with necessary analysis.
Explain the Fraunhofer diffraction due to single slit with necessary analysis.
b)Unit 2How the Newton's rings are formed? Deduce the expression for diameter of dark and bright fringes.
How the Newton's rings are formed? Deduce the expression for diameter of dark and bright fringes.
a)Unit 3What is P-N junction diode, explain its working and discuss its V-I Characteristics.
What is P-N junction diode, explain its working and discuss its V-I Characteristics.
b)Unit 3Explain the variation of Fermi level in N-type semiconductor with concentration and temperature.
Explain the variation of Fermi level in N-type semiconductor with concentration and temperature.
a)Unit 4Explain the Construction and working of He-Ne Laser.
Explain the Construction and working of He-Ne Laser.
b)Unit 4Deduce the expression for acceptance angle of an optical fiber. Find the acceptance angle of a fiber having core and cladding refractive indices are 1.75 and 1.70 respectively.
Deduce the expression for acceptance angle of an optical fiber. Find the acceptance angle of a fiber having core and cladding refractive indices are 1.75 and 1.70 respectively.
a)Unit 5Starting from the principle of charge conservation, derive the continuity equation for current densities in a conducting medium. Clearly state all assumptions and intermediate steps in your derivation.
Starting from the principle of charge conservation, derive the continuity equation for current densities in a conducting medium. Clearly state all assumptions and intermediate steps in your derivation.
b)Unit 5Derive the Electric field and Electrostatic Potential for a charge Distribution.
Derive the Electric field and Electrostatic Potential for a charge Distribution.
a)Unit 1Discuss about the Free Particle Wave Function and Wave Packets.
Discuss about the Free Particle Wave Function and Wave Packets.
b)Unit 4What is LASER? Discuss the Properties of LASER light.
What is LASER? Discuss the Properties of LASER light.
a)Unit 3Deduce an expression for Hall Co-efficient and Hall Voltage.
Deduce an expression for Hall Co-efficient and Hall Voltage.
b)Unit 5State and Derive the Divergence of Stoke's theorem and Gauss theorem.
State and Derive the Divergence of Stoke's theorem and Gauss theorem.
Unit 5/2/3/4Write short notes on any two: a) Poynting vector b) Interference and Young's double slit experiment c) Kronig Penney Model d) V-number
Write short notes on any two: a) Poynting vector b) Interference and Young's double slit experiment c) Kronig Penney Model d) V-number