Thermodynamic and Statistical Physics-Diffusion Equation (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1 - 2 of 2

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Question number: 1

» Thermodynamic and Statistical Physics » Diffusion Equation

Appeared in Year: 2013

MCQ▾

Question

Consider the following ratio of the partial decay widest,

Equation

Equation

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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 Equation . These particles have different diffusion constants Equation and Equation . The quantity Equation where Equation and Equation are the positions of the particles at time Equation , behaves as – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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