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This post was last modified on 30 January 2020

QUESTION BANK IN PHYSICS (B.TECH FIRST YEAR)

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NANOPHYSICS

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1. Why storage of nanomaterials is a challenge? (2) {JUN 15 [GNE]}
2. Write major applications and disadvantages of nanotechnology. (2)
{JUN -15[GNE]}
3. Define nanoscience and nanotechnology. (2) {JUN 15 [PTU]}

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4. Write four disadvantages of nanotechnology. (2) {DEC 14 [GNE]}
5. Name and explain two important factors responsible for distinguished
properties of nanomaterials. (4) {DEC 14 [GNE]}
6. Explain optical and magnetic properties of nano materials. (4) {JUN
14 [GNE]}

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7. Differentiate between nanowire and nanotube. (2) {Dec 2013 [PTU]}
8. Justify that surface area to volume ratio increases while we go from
bulk to nano scale. (4) {Dec 2013 [PTU]}
9. Give examples of one, two and three dimensional nanomaterials. (2)
{Dec 2013 [GNE]}

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10. Write applications and potential risks of nanomaterials. (4) {Dec 2013
[GNE]}
11. What is electron confinement? (2) {Jun 2013 [PTU]}
12. ?Surface area to volume ratio gets enhanced at nano scale.? Comment.
(4) {Jun 2013 [PTU]}

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13. Write two peculiar features which distinguish nano materials from
normal materials. (2) {Jun 2013 [GNE]}
14. What are nanomaterials? Explain. (2) {Dec 2012 [GNE]}
15. What is quantum dot? (2) {Dec 2012}
16. What is Nanophysics? (2) {June 2012}

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17. What are nano materials? (2) {Dec 2011}
18. What is Quantum confinement? (2) {Dec 2011}


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