GUJARAT TECHNOLOGICAL UNIVERSITY
SEMESTER-IV(NEW) - EXAMINATION - SUMMER 2019
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Subject Code: 2143905 Date: 25/05/2019
Subject Name: Characterization of Nanomaterials-II
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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MARKS
Q.1 (a) Write Down Advantages and Disadvantages of Each Mode of AFM. 03
(b) Mention materials used in SQUID 04
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(c) Explain Working of AFM with suitable diagram. 07
Q.2 (a) State and briefly explain Beer-Lambert’s Law. (Equation) 03
(b) Write Down Advantages of FTIR. 04
(c) Write Down Application of AFM. 07
OR
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(c) Explain Theory and Working Principle of UV-Vis Spectroscopy. 07
Q.3 (a) Explain the Measurement Principle of MFM. 03
(b) Explain the Sample Analysis Process of FTIR. 04
(c) Draw and Label Diagram of UV-Vis Spectroscopy Setup? 07
OR
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Q.3 (a) Name all the Component of AFM. 03
(b) Write Down Application of Impedance Spectroscopy. 04
(c) Explain Components and Mode of Operation. 07
Q.4 (a) Name any three Spectroscopy Techniques and describe it briefly. 03
(b) Draw Layout of FTIR. 04
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(c) Explain SQUID. 07
OR
Q.4 (a) Write Down Full Form of SQUID and briefly describe its type. 03
(b) Write Down Application of UV-VIS Spectroscopy. 04
(c) What are Limitations of AFM. 07
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Q.5 (a) Write Down Application of MFM. 03
(b) Describe Importance of Impedance Spectroscopy. 04
(c) Explain Magnetic Force Microscopy. 07
OR
Q.5 (a) Define Tc in Superconductor. 03
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(b) Explain Impedance Spectroscopy. 04
(c) Explain Working Principle of VSM with Diagram. 07
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