Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 5th Sem 3153907 Fabrication Of Nano Devices Previous Question Paper
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?V (NEW) EXAMINATION ? WINTER 2020
Subject Code: 3153907 Date: 29/01/2021
Subject Name: Fabrication Of Nano- Devices
Time: 10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) What do you mean by tunneling ?
03
(b) Differentiate : Quantum wells and Wires.
04
(c) Describe various applications associated with Biosensors.
07
Q.2 (a) Define: Schottky devices
03
(b) Describe : Single walled carbon nanotubes
04
(c) Write a short note application associated with
07
semiconducting nano devices.
Q.3 (a) Define : Nano manipulation
03
(b) Write down criteria for the choice of materials for gas
04
sensor.
(c) Write a short note on Magnetic Nanoparticles.
07
Q.4 (a) State advance applications associated with Graphene.
03
(b) Explain : Sensitivity of gas sensor.
04
(c) Write short note photonic band gap systems and its
07
applications.
Q.5 (a) What do you mean by Nano robotics.
03
(b) Differentiate : Nanotubes, and Nano fibers.
04
(c) Write a short note on experimental aspects associated with
07
gas sensing.
Q.6 (a) Define: Biosensor?
03
(b) Write short note on Metal/oxide nanoparticles and its
04
applications.
(c) Write shot note on lithographic technique.
07
Q.7 (a) Define : Single Electron Transistors
03
(b) Explain use of mask in lithography technique.
04
(c) Write a short note on protein based biosensor.
07
Q.8 (a) What do you mean by resonant tunneling ?
03
(b) Describe : principles of DNA based biosensors
04
(c) Write a short note on Carbon Nanotube based logic gates.
07
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This post was last modified on 04 March 2021