Firstranker's choice
--- Content provided by FirstRanker.com ---
[B19 BS 1103
I B. Tech I Semester (R19) Regular Examinations
ENGINEERING PHYSICS
(Common to CE & ME)
MODEL QUESTION PAPER
--- Content provided by FirstRanker.com ---
TIME: 3 Hrs. Max. Marks: 75 M
Answer ONE Question from EACH UNIT
All questions carry equal marks
UNIT -1
- a). What is a Bravais Lattice and explain the Bravais lattice in different Crystal systems.
--- Content provided by FirstRanker.com ---
b). Deduce the Bragg’s Law.
OR
- a). How the nano materials can be produced by sol — gel method.
b). Write about Carbon Nanotubes
C). Discuss some important applications of nanomaterials.
--- Content provided by FirstRanker.com ---
UNIT - II
- a). Define Reverberation and obtain the Sabine’s formula.
b). Explain the requirements of an acoustics calling good hall
OR
- a). Explaining Magnetostriction effect, describe how the ultrasonics can be produced.
--- Content provided by FirstRanker.com ---
b). Mention the application of ultrasonics.
UNIT - III
- a). Distinguish between elastic and plastic.
b). State and explain the Hooke’s law
C). Discuss the bending moment of a beans
--- Content provided by FirstRanker.com ---
OR
- a). Explain the stress — strain curve of an isotropic material
b). What are the different types of moduli of solids and obtain their relations
UNIT - IV
- a). Define polarization and explain the different types of polarization possible in a dielectric
--- Content provided by FirstRanker.com ---
b). Deduce the Claussius Mosotti equation and its significance in dielectrics.
OR
- a). Define Magnetic susceptibility and give a classification of magnetic materials.
b). Describe the Hysteresis exhibited by Ferromagnetic materials and explain its using a Suitable theory
--- Content provided by FirstRanker.com ---
Firstranker's choice
UNIT - V
- a). Give the selection procedure of the active medium of laser device.
--- Content provided by FirstRanker.com ---
b). With suitable diagrams, discuss the working principle, design and working of He — Ne laser system
OR
- a). What is the significance of Numerical Aperture of an optical fiber and obtain an expression for it.
b). Discuss the sensor applications of optical fiber.
--- Content provided by FirstRanker.com ---
This download link is referred from the post: JNTUK B.Tech R19 2020 Model Question Papers || JNTU kakinada (All Branches)
--- Content provided by FirstRanker.com ---