II Sem Complementary (Zoology) Viva- Gaseous & Solid State

Which among the following is the equation for Avogadro's law

• P₁V₁=P₂V₂

• T=k*V

• V₁N₁=V₂N₂

• V₁/n₁=V₂/n₂

what is the significance of Van der waal's constant 'a'

• measure of effective size of the gas molecules

• measure of the magnitude of the attractive forces among the molecules of the gas

• measure of deviation from ideal behavior

• continuity of state

What is the equation for rms velocity

What is the significance of area under Maxwell-Boltzmann curve

• The area will give the maximum fraction of molecules at a particular temperature

• It will give the total number of molecules in the gas

• it is a measure of molecules with high velocity

• It is an indication of probability of molecules

What is the significance of area under Maxwell-Boltzmann curve

• The area will give the maximum fraction of molecules at a particular temperature

• It will give the total number of molecules in the gas

• it is a measure of molecules with high velocity

• It is an indication of probability of molecules

Below are true about assumptions of the Kinetic Molecular Theory, EXCEPT

• The volume occupied by gas molecule is not negligible when compared to volume of gas

• Gas particles are in constant, random, straight -line motion

• Gas particles do not exert attractive or repulsive forces on each other except during collisions

• Collisions are elastic

How many complete atoms can we find on the BCC (body centered cubic) structure?

• 4

• 3

• 2

• 1

The unit cell with a≠b≠c and α=β=γ=90 refers to __________ crystal system.

• hexagonal

• trigonal

• triclinic

• orthorhombic

A material has identical properties in all directions, it is said to be.................

• Homogeneous

• Isotropic

• Anisotropic

• Orthotropic

The miller indices of the plane, whose intercepts along the axes are (a, 2b, 3c) is .............

• (1, 2, 3)

• (3, 2, 1)

• (2, 3, 6)

• (6, 3, 2)