Fundamentals of Nanoscience - I Internal Test

Part A - 5 x 2 = 10

1. List out various morphologies of 1D Nano Structures.
2. Why nanomaterial .properties are different from the bulk.
3. Write not on effect of size reduction on melting point.
4. List out effects of size reduction on magnetic properties of materials.
5. Give any two applications of nanocomposites.

Part B - 2 x 5 = 10

1. Briefly describe various types and morphologies of nanomaterials.
2. Write note on Quantum Dots.

Part C - 2 x 10 = 20

1. Write an essay on effect of size reduction on material properties.
2. Describe various nano synthesis methods. .

Atomic And Nuclear Physics - I st Internal Test

Part A - 5 x 2 = 10

1. Define critical potential.
2. State any three properties of positive rays.
3. Write Einstein photo electric equation.
4. State laws of photoelectric effect.
5. Give the principle of mass spectrograph.

Part B - 2 x 5 = 10

1. Describe Bainbridge Mass Spectrograph.
2. Explain Lenard experiment to determine e/m of photoelectrons.

Part C - 2 x 10 = 20

1. Describe the working of Aston mass spectrograph.
2. Describe Millikan experiment to verify Einstein photoelectric equation.