GATE Physics: Questions 12 - 14 of 290

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Question number: 12

» Solid State Physics » Nearly Free Electron and Tight Binding Models

Appeared in Year: 2016

MCQ▾

Question

Consider a metal which obeys the Sommerfeld model exactly. If EF is the Fermi energy of the metal at T=0K and RH is its Hall coefficient, which of the following statement is correct?

Choices

Choice (4) Response
a.

RH is independent of EF

b.

RHEF32

c.

RHEF32

d.

RHEF23

Question number: 13

» Classical Mechanics » Central Forces

Appeared in Year: 2015

MCQ▾

Question

Consider the motion of the Sun with respect to the rotation of the Earth about its axis. If FC and FCo denote the centrifugal and the Coriolis force, respectively, acting on the Sun, then –

Choices

Choice (4) Response
a.

FC is radially inward and FCo=2FC

b.

FC is radially outward and FCo=FC

c.

FC is radially outward and FCo=2FC

d.

FC is radially outward and FCo=2FC

Question number: 14

» Atomic and Molecular Physics » Rotational and Vibration Spectra of Diatomic Molecules

Appeared in Year: 2014

MCQ▾

Question

The moment of inertia of a rigid diatomic molecule A is 6 times that of another rigid diatomic molecule B. If the rotational energies of the two molecules are equal, then the corresponding values of the rotational quantum numbers JAandJB are –

Choices

Choice (4) Response
a.

JA=2,JB=1

b.

JA=3,JB=1

c.

JA=5,JB=0

d.

JA=6,JB=1

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