GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-III (New) EXAMINATION — WINTER 2018
Subject Code: 2133902 Date: 01/12/2018
Subject Name: Elements of Nanoscience and Nanotechnology-I
Time: 10:30 AM TO 01:00 PM Total Marks: 70
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Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
| Q.1 | (a) | What do you mean by Atomic Manipulation in the field of nanotechnology. | 03 |
| (b) | Define: Nanoscience and Nanotechnology. | 04 | |
| (c) | Write a short note on dip pen nanolithography. | 07 | |
| Q.2 | (a) | What do you mean by epitaxial nature in thin film? | 03 |
| (b) | Write down various techniques used in characterization of nanostructured material. | 04 | |
| (c) | Write a short note on history of nanotechnology. | 07 | |
| OR | |||
| (c) | Write a short note on electrodeposition. | 07 | |
| Q.3 | (a) | Give the name of various techniques for Micro- and Nanofabrication. | 03 |
| (b) | Draw the schematic representation of various types of carbon nanotubes. | 04 | |
| (c) | Write a short note on CVD method for synthesis of nanostructured materials with necessary figures. | 07 | |
| OR | |||
| Q.3 | (a) | Give the use of Nanotechnology in the medical implants and battery. | 03 |
| (b) | Explain in short: Purification of Carbon Nanotubes. | 04 | |
| (c) | Describe the various applications of Carbon Nanotubes. | 07 | |
| Q.4 | (a) | Define: Nanoholes and photons in the vicinity of solar cell. | 03 |
| (b) | Describe Optoelectronics Devices. | 04 | |
| (c) | Write a short note on DSSC Solar Cell. | 07 | |
| OR | |||
| Q.4 | (a) | Define: Nano electronics. | 03 |
| (b) | Describe: Ball Milling. | 04 | |
| (c) | Write a short note on E-Beam lithography for formation of nanostructured devices. | 07 | |
| Q.5 | (a) | Give drawbacks of liquid Electrolyte used in nanostructured solar cell. | 03 |
| (b) | What do you mean by Quantum Computers? | 04 | |
| (c) | Write down Environmental Applications of Nanotechnology. | 07 | |
| OR | |||
| Q.5 | (a) | Define: Nano robots. | 03 |
| (b) | What do you mean by Microelectromechanical systems (MEMS). | 04 | |
| (c) | Explain how nanotechnology will affect our life in the future, give your vision. | 07 |
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