GATE (Graduate Aptitude Test in Engineering) Physics: Questions 559 - 562 of 659

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Question 559

Appeared in Year: 2006

Question

MCQ▾

A sphere of radius has uniform volume charge density. The electric potential at a point is –

Choices

Choice (4)Response

a.

Due to entire charge of the sphere

b.

Due to the charge inside a sphere of radius only

c.

Due to charge in the spherical shell of inner and outer radii and , only

d.

Independent of

Question 560

Appeared in Year: 2006

Question

MCQ▾

A vibrational – electronic spectrum of homonuclear binary molecules, involving electronic ground state and excited , exhibits a continuum at . If the total energy of the dissociated atoms in the excited state exceeds the total energy of the dissociated atoms in the ground state by , then dissociation energy of the molecule in the ground state is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question 561

Appeared in Year: 2006

Question

MCQ▾

The phase diagram of a free particle of mass and kinetic energy , moving in one – dimensional box with perfectly elastic walls at and , is given by –

Choices

Choice (4)Response

a.

The Phase Diagram (Choice A)

b.

The Phase Diagram (Choice B)

c.

The Phase Diagram (Choice C)

d.

The Phase Diagram (Choice D)

Question 562

Appeared in Year: 2006

Question

MCQ▾

The commutator , where is the component of the angular momentum operator and is the component of the potential operator, is equal to –

Choices

Choice (4)Response

a.

b.

c.

d.

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