Thermodynamic and Statistical Physics-Diffusion Equation (CSIR Physical Sciences): Questions 1 - 2 of 2

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 401 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

Question number: 1

» Thermodynamic and Statistical Physics » Diffusion Equation

Appeared in Year: 2013

MCQ▾

Question

Consider the following ratio of the partial decay widest,

R1=Γ(ρ+π++π0)Γ(ρπ+π0)

R2=Γ(Δ++π++P)Γ(Δπ+n)

If the effects pf electromagnetic and weak interaction are neglected, then R1 and R2 are respectively is given as, (Dec -2013)

Choices

Choice (4) Response

a.

1and1

b.

1and2

c.

2and1

d.

1and2

Question number: 2

» Thermodynamic and Statistical Physics » Diffusion Equation

Appeared in Year: 2011

MCQ▾

Question

Consider two independently diffusing non-interacting in 3 – dimensional space, both placed at the origin at time t=0 . These particles have different diffusion constants D1 and D2 . The quantity [R1(t)R2(t)]2 where R1(t) and R2(t) are the positions of the particles at time t , behaves as – (June)

Choices

Choice (4) Response

a.

6tD1D2

b.

6tD12+D22

c.

6t(D1+D2)

d.

6t(D1D2)

f Page
Sign In