Solid State Physics [GATE (Graduate Aptitude Test in Engineering) Physics (PE)]: Questions 5 - 7 of 140

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Question 5

Appeared in Year: 2014

Question MCQ▾

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

In Table, the List of Data is Obtained in an Experiment to Measure the Viscosity is Given

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

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 6

Appeared in Year: 2013

Question MCQ▾

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 , density of electrons is , and the length and cross – sectional area of the wire are and A respectively.] (June)

Choices

Choice (4)Response

a.

b.

c.

d.

Zero

Edit

Question 7

Appeared in Year: 2014

Question MCQ▾

The van der Waals equation of state for a gas is given by, Where P, V and T represent the pressure, volume and temperature respectively, and and 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.

b.

c.

d.

Edit