IGNOU MRWE 001 Solved Assignment 2024-25


MRWE 001 Solved Assignment 2024-25

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Course Code: MRWE 001

Assignment Code: MRWE 001 ASST/TMA/2024-25

Marks: 100

NOTE: All questions are compulsory

Note: Attempt all the questions and submit this assignment to the Coordinator of yourstudy centre. Last date of submission for July 2023 session is 31st October, 2023 and for January 2024 session is 30th April 2024.

Q.1 a) Define Nano-Technology. Explain the basic concepts of Nano-Technology.

Nanotechnology is a field of science and engineering that deals with the manipulation and control of matter on an atomic or molecular scale, typically ranging from 1 to 100 nanometers. To put it into perspective, one nanometer is one-billionth of a meter, or about 100,000 times smaller than the diameter of a human hair.

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Bottom-Up Approach: Nanotechnology often employs a bottom-up approach, where materials and devices are built from molecular components, as opposed to traditional top-down manufacturing methods. This involves assembling atoms and molecules into desired structures, enabling precise control over properties and functionalities.

Properties at the Nanoscale: Materials exhibit unique properties at the nanoscale due to quantum effects and increased surface area-to-volume ratio. For example, materials may have altered electrical, optical, mechanical, or chemical properties compared to their bulk counterparts.

Interdisciplinary Nature: Nanotechnology encompasses various disciplines, including physics, chemistry, biology, materials science, and engineering. It integrates knowledge and techniques from these fields to design and fabricate nanoscale structures and devices.

Applications Across Sectors: Nanotechnology has diverse applications across multiple sectors, including electronics, medicine, energy, environmental remediation, and materials science. For instance, it's used in developing nanoelectronic devices, targeted drug delivery systems, high-efficiency solar cells, and lightweight yet strong materials.

Nanomaterials: Nanotechnology involves the synthesis and characterization of nanomaterials, such as nanoparticles, nanotubes, nanowires, and thin films. These materials exhibit novel properties and find applications in various fields, ranging from electronics to biomedicine.

Nanofabrication Techniques: Nanotechnology relies on advanced fabrication techniques to create nanoscale structures and devices. Examples include lithography, chemical vapor deposition, molecular self-assembly, and nanoimprint lithography.

Safety and Ethical Considerations: As with any emerging technology, nanotechnology raises concerns regarding safety, health, and environmental impacts. Researchers and policymakers need to address these issues to ensure the responsible development and deployment of nanotechnology-enabled products and applications.

Overall, nanotechnology holds tremendous promise for revolutionizing various industries by offering unprecedented control over matter at the atomic and molecular levels, leading to innovative solutions to pressing challenges and the development of new technologies with enhanced performance and functionality.

b) Describe Nano Size and Nano Seale with suitable examples.

Q.2 a) What are techniques used in Nano Technology? Explain any one.

 b) What is synthesis of Nano Materials? Also describe the various properties of Nano Materials.

Q.3 a) Discuss top-down and bottom-up approach with suitable sketch and list out the various methods of top-down and bottom-up approach.

b) What is Nano bot? List out the various applications of Nano bot.

Q.4 a) Explain the working of Scanning Electron Microscopy (SEM) with suitable diagram. List outs its advantages and applications.

b) Difference between SEM and TEM.

Q.5 a) How do you apply or use Nano Technology into energy sector? Explain in brief.

b) What is Energy Conversion Process? Explain single stage and multistage energy conversion process.

Q.6 a) Explain briefly how Nano-Technology could be applied in Solar Energy.

b) What do you understand about Micro Electro Mechanical Systems (MEMS) and Nano Electro Mechanical Systems (NEMS)? Explain and list out its application.

Q.7 a) Explain the working of Hydrogen Storage System with suitable diagram.

b) How Green Nano Technology could be developed? Explain with steps by step procedure.

Q.8 a) Explain Nano-Micro Silicon (Si) composite structure and what are the various technologies used in silicon (Si) deposition.

b) How do you monitor the various environmental factors by using sensors?

Q.9 a) How do you prevent the pollution by using Nano Technology? Explain with suitable examples.

b) Discuss the various applications of Nano Technology in Environment.

Q.10 Write short notes of the following:

a) Carbon Nano Tubes

b) Green Nano Material

c) Pollution Abatement

d) Nano Sensor  

MRWE 001 Handwritten Assignment 2024-25

MRWE 001 Solved Assignment 2024-25: We provide handwritten PDF and Hardcopy to our IGNOU and other university students. There are several types of handwritten assignment we provide all Over India. We are genuinely work in this field for so many time. You can get your assignment done - 8130208920

Important Note - You may be aware that you need to submit your assignments before you can appear for the Term End Exams. Please remember to keep a copy of your completed assignment, just in case the one you submitted is lost in transit.

Submission Date :

31st March 2023 (if enrolled in the July 2024-25 Session)

30th Sept, 2023 (if enrolled in the January 2024-25 session).

IGNOU Instructions for the MRWE 001 Assignments

MRWE 001 Nano Technology in Energy & Environment Assignment 2024-25 Before ate mpting the assignment, please read the following instructions carefully.

1. Read the detailed instructions about the assignment given in the Handbook and Programme Guide.

3. Write the course title, assignment number and the name of the study centre you are attached to in the centre of the first page of your response sheet(s).

4. Use only foolscap size paper for your response and tag all the pages carefully

5. Write the relevant question number with each answer.

6. You should write in your own handwriting.

GUIDELINES FOR IGNOU Assignment MRWE 001023-24

MRWE 001 Solved Assignment 2024-25 You will find it useful to keep the following points in mind:

1. Planning: Read the questions carefully. Go through the units on which they are based. Make some points regarding each question and then rearrange these in a STATISTICS IN PSYCHOLOGYal order. And please write the answers in your own words. Do not reproduce passages from the units.

2. Organisation: Be a little more selective and analytic before drawing up a rough outline of your answer. In an essay-type question, give adequate attention to your introduction and conclusion. The introduction must offer your brief interpretation of the question and how you propose to develop it. The conclusion must summarise your response to the question. In the course of your answer, you may like to make references to other texts or critics as this will add some depth to your analysis.

3. Presentation: Once you are satisfied with your answers, you can write down the final version for submission, writing each answer neatly and underlining the points you wish to emphasize.

IGNOU Assignment Front Page

The top of the first page of your response sheet should look like this: Get IGNOU Assignment Front page through. And Attach on front page of your assignment. Students need to compulsory attach the front page in at the beginning of their handwritten assignment.

ENROLMENT NO: …………………………

NAME: ………………………………………

ADDRESS: …………………………………

COURSE TITLE: …………………………

ASSIGNMENT NO: ………………………

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DATE: ………………………………………

MRWE 001 Handwritten Assignment 2024-25

MRWE 001 Solved Assignment 2024-25: We provide handwritten PDF and Hardcopy to our IGNOU and other university students. There are several types of handwritten assignment we provide all Over India. We are genuinely work in this field for so many time. You can get your assignment done - 8130208920

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