Condensed Matter Physics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 4 - 6 of 19

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 463 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

Question number: 4

» Condensed Matter Physics » Superfluidity

Appeared in Year: 2014

MCQ▾

Question

The following data is obtained in an experiment that measures the viscosity Equation as a function of molecular weight M for a set of polymers.

List of data obtained to measure viscosity

In table, the list of data is obtained in an experiment to measure the viscosity is given.

Equation

Equation

Equation

Equation

Equation

Equation

Equation

Equation

Equation

Equation

The relation that best describes the dependence of Equation on M is – (June – 2014)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 5

» Condensed Matter Physics » Drude Model of Electrical and Thermal Conductivity

Appeared in Year: 2013

MCQ▾

Question

Using the frequency dependent Drude formula, what is the effective kinetic inductance of a metallic wire that is to be used as a transmission line? [In the following, the electron mass is Equation , density of electrons is Equation , and the length and cross – sectional area of the wire are Equation and A respectively. ] (June)

Choices

Choice (4) Response

a.

Equation

b.

Zero

c.

Equation

d.

Equation

Question number: 6

» Condensed Matter Physics » Bonding of Solids

Appeared in Year: 2014

MCQ▾

Question

The van der Waals’ equation of state for a gas is given by, Equation Where P, V and T represent the pressure, volume and temperature respectively, and Equation and Equation are constant parameters. At the critical point, where all the roots of the above cubic equation are degenerate, the volume is given by, (June – 2014)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

f Page
Sign In