GATE (Graduate Aptitude Test in Engineering) Physics: Questions 286 - 291 of 659

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Question number: 286

» Solid State Physics » Diffraction Methods for Structure Determination

Appeared in Year: 2010

MCQ▾

Question

Consider diffraction from a crystal with a face – centered – cubic lattice. The lattice plane for which there is no diffraction peak is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 287

» Nuclear and Particle Physics » Beta Decay

Appeared in Year: 2010

MCQ▾

Question

The basic process underlying the neutron decay is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 288

» Mathematical Physics » Laplace Transforms

Appeared in Year: 2010

MCQ▾

Question

If , then the Laplace transform of is –

Choices

Choice (4) Response

a.

b.

c.

d.

Passage

In a one – dimensional harmonic oscillator, and are respectively the ground, first and the second excited states. These three states are normalized and are orthogonal to one another.

, where is a constant.

Question number: 289 (1 of 2 Based on Passage) Show Passage

» Quantum Mechanics » Harmonic Oscillator

Appeared in Year: 2011

MCQ▾

Question

For the value of determined in above question, the expectation value of energy of the oscillator in the state is –

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Choice (4) Response

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b.

c.

d.

Question number: 290 (2 of 2 Based on Passage) Show Passage

» Quantum Mechanics » Harmonic Oscillator

Appeared in Year: 2011

MCQ▾

Question

The value of for which is orthogonal to is –

Choices

Choice (4) Response

a.

1

b.

c.

2

d.

Question number: 291

» Thermodynamics and Statistical Physics » Classical and Aquantum Statistics

Appeared in Year: 2010

MCQ▾

Question

A system of non – interacting classical point particle is constrained to move on the two – dimensional surface of a sphere. The internal energy of the system is –

Choices

Choice (4) Response

a.

b.

c.

d.

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