GATE (Graduate Aptitude Test in Engineering) Physics: Questions 61 - 66 of 659

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Question number: 61

» Classical Mechanics » Rigid Body Motion

Appeared in Year: 2015

Short Answer Question▾

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In a rigid – rotator of mass M, if the energy of the first excited state is 1 MeV, then the fourth excited state energy (in MeV) is ________

Question number: 62

» Thermodynamics and Statistical Physics » Degenerate Fermi Gas

Appeared in Year: 2015

Short Answer Question▾

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Given that the Fermi energy of gold is , the number density of electrons is ________ (up to one decimal place)

(Mass of electron )

Question number: 63

» Electromagnetic Theory » Scalar and Vector Potentials

Appeared in Year: 2016

MCQ▾

Question

Which of the following magnetic vector potentials gives rise to a uniform magnetic field ?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 64

» Electromagnetic Theory » Solutions of Electrostatic and Magnetostatic Problems

Appeared in Year: 2016

Short Answer Question▾

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The magnitude of the magnetic dipole moment associate with a square shaped loop carrying a steady current is . If this loop is changed to a circular shape with the same current passing it, the magnetic moment becomes . The value of is .

Question number: 65

» Quantum Mechanics » Linear Vectors and Operators in Hilbert Space

Appeared in Year: 2016

MCQ▾

Question

Which of the following operators is Hermitian?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 66

» Classical Mechanics » Small Oscillations and Normal Modes

Appeared in Year: 2014

Short Answer Question▾

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At a given temperature, T, the average energy per particle of a non – interacting gas of two – dimensional classical harmonic oscillators is ________.

( is the Boltzmann constant).

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