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WorksheetsStructured and Dynamic Soft Matter. Lec 1
Total questions: 10
Worksheet time: 3mins
Soft materials give a small response to small perturbations
True
Not true
Soft materials often have some degree of self-assembled non-crystalline structure
True
Not true
Statistical mechanics can be applied to mesoscopic complex systems
True
Not true
Corresponding continuous theories can be applied to mesoscopic complex systems
True
Not true
Mesoscopic scale is roughly:
below 10 nm
below 1 nm
above 1 micron
above 1 micron
from a few Angstroms to a few hundred nanometers
Choose repulsive interactions:
van de Waals
steric
electrostatic between particles of different nature
electrostatic between particles of the same nature
Choose short-range interactions
steric
hydrogen bonding
van der Waals
electrostatic between two point charges
Van der Waals forces cannot appear between polar molecules
True
Not true
Lennard-Jones potential takes into account:
the van der Waals forces and electrostatic interactions
the van der Waals forces and steric repulsion
the van der Waals forces and hydrogen bonding
The larger the salt concentration, the longer the screening length (the Debye-Hückel length)
True
Not true
