November 25, 2011

APPLIED PHYSICS JNTU previous years question papers 2010


APPLIED PHYSICS
Common to BME, IT, ICE, E.COMP.E, ETM, E.CONT.E, EIE, CSE, ECE,
CSSE, EEE

Time: 3 hours Max Marks: 80

Answer any FIVE Questions

All Questions carry equal marks

1. (a) Explain the following:
i. electrical conductivity and
ii. Fer mi energy.
(b) Explain briey the classical free electron theory of metals.
(c) On the basis of band theory how the crystalline solids are classi_ed into metals, semiconductors and insulators? [4+6+6]

2. (a) What are the di_erences between `photography' and `holography'?
(b) What is recording and reconstruction of a hologram? Explain. [6+10]

3. (a) What are Miller indices? How are they obtained?
(b) Show that FCC is the most closely packed out of the three cubic structures by calculating the packing factors.
(c) Copper has FCC structure and the atomic radius is 0.1278 nm. Calculate the interplanar spacing for (1 1 1) and (3 2 1) planes. [4+8+4]

4. (a) Describe thevari ous methods to achieve population inversion relating to lasers.
(b) With the help of a suitable diagram, explain the principle, construction and working of a semiconductor laser. [6+10]

5. (a) Write a note on extrinsic semiconductors.
(b) Derive an expression for the carrier concentration in p-type extrinsic semiconductors. [6+10]

6. (a) What is Planck's quantum theory? Explain in detail.
(b) Write short notes on:
i. de Broglie hypothesis and
ii. Heisenberg's uncertainty principle. [8+8]

7. (a) Why nanomaterials exhibit di_erent properties? Explain.
(b) Describe the vari ous types of carbon nanotubes. [10+6]

8. (a) Explain the following:
i. Polarization vector and
ii. Electric displacement.
(b) Deduce an expression for Lorentz _eld relating to a dielectric material.
(c) The radius of the helium atom is 0.55 _A.Calculate the polarizability of He and its relative permittivity. The number of He atoms in a volume of one metre cube is 2.70 _ 1025 atoms. [permittivity of free space = 8.85 _10&12 F/m]
[4+8+4]

FEEL USEFUL PLEASE GIVE +1

0 comments :

Post a Comment

Get Syllabus in your Mail

Labels

Accenture Admission Notice - 2010 Admission Notification Anna University Anna University Chennai Anna University Question Papers Anna University Trichy Apparel Technology and Management Aptitude Questions Arts and Science Colleges Biomedical Engineering C and CPP Ebooks Calicut University CBSE Question papers Civil Engineering Civil Service Exams Colleges in India Colleges Result Computer Science Engineering Core Jobs CS R2008 CSE CSIR NET EBooks Download ECE EEE EIE Electives Electrical and Electronics Engineering Electronics and communication Electronics and Instrumentation Engineering Engineering Engineering Colleges in Maharashtra Engineering Colleges in TamilNadu Engineering Admissions Engineering Colleges Engineering Colleges in Karnataka Engineering Jobs Engineering Syllabus Entrance Exam Dates Entrance Exam Results Entrance Examination Exam Time Table Experiencer First Year Syllabus Freshers Full Time Jobs Government jobs in india Hardware and Networking Jobs Hotel Management and Catering Technology IGNOU Information Technology INTEVIEW QUESTIONS IT Jobs JNTU Question Papers Jobs in Bangalore Jobs in Chennai Jobs in Coimbatore Jobs in Delhi Jobs in Hyderabad Jobs in India Jobs in Kerala Jobs in Noida Jobs in Tamilnadu Jobs in TATA Karnataka Educations Lab Manuals Mechanical Engineering Medical Colleges Placement Papers Plus 2 Preparation for exams Private Jobs in India Question Papers Question Papers Download Results Announcement Semester 1 Semester 2 Semester 3 Semester 4 Semester 5 Semester 6 Semester 7 Semester 8 Syllabus Syllabus Download Tamil Movie TCS Placement Papers Teaching Jobs TECH MAHINDRA Textile Technology Top colleges University Results UPSC VICEVESVARAYA TECHNOLOGICAL UNIVERSITY waec Walk-in Interview Web Designers

Followers

Archive

Anna university Engineering Syllabus

Earn Money From Online

Government jobs in india

Admission Notification

Total Pageviews

 

Privacy Policy
http://topengineeringcollegesintamilnadu.blogspot.com use third-party advertising companies to serve ads when you visit our website. These companies may use information (not including your name, address, email address, or telephone number) about your visits to this and other websites in order to provide advertisements about goods and services of interest to you. If you would like more information about this practice and to know your choices about not having this information used by these companies, click here.