CSIR Physical Sciences: Questions 183 - 185 of 401

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Question number: 183

» Quantum Mechanics » Wave-Function in Coordinate Representations

Appeared in Year: 2014

MCQ▾

Question

Let ψ=C0 0+C1 1 (where C0 and C1 are constants with C02+C12=1 ) be a linear combination of the wavefunction of the ground and first excited states of the one – dimensional harmonic oscillator. For what value of C0 is the expectation value x a maximum? (December)

Choices

Choice (4) Response

a.

x=mω,c0=12

b.

x=2mω,c0=12

c.

x=mω,c0=12

d.

x=2mω,c0=12

Question number: 184

» Nuclear and Particle Physics » Reaction Mechanism

Appeared in Year: 2014

MCQ▾

Question

Consider the four processes,

(i) p+n+e++νe

(ii) Λ0p++e++νe

(iii) π+e++νe

(iv) π0γ+γ

Which of the above is/are forbidden for free particles? (December)

Choices

Choice (4) Response

a.

(i) and (ii)

b.

only (ii)

c.

(i) and (iv)

d.

(ii) and (iv)

Question number: 185

» Mathematical Methods of Physics » Finite Difference Methods

Appeared in Year: 2011

MCQ▾

Question

Let, pn(x) (where, n = 0, 1, 2, …) be a polynomial of degree n with real coefficients, defined in the internal 2n4 . If

24pn(x)pm(x)dx=δnm,

then - (June)

Choices

Choice (4) Response

a.

p0(x)=12andp1(x)=32(3x)

b.

p0(x)=12andp1(x)=3(3+x)

c.

p0(x)=12andp1(x)=32(3x)

d.

p0(x)=12andp1(x)=32(3x)

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