GATE Physics: Questions 12 - 14 of 622

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 622 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 350.00 or

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.

RH∝EF32

c.

RH∝EF−32

d.

RH∝EF23

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.

F→C is radially inward and F→Co=−2F→C

b.

F→C is radially outward and F→Co=F→C

c.

F→C is radially outward and F→Co=−2F→C

d.

F→C is radially outward and F→Co=2F→C

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

f Page
Sign In