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

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Appeared in Year: 2013

MCQ▾

Question

Consider the following ratio of the partial decay widest,

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 2

» Thermodynamic and Statistical Physics » Diffusion Equation

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Appeared in Year: 2011

MCQ▾

Question

Consider two independently diffusing non-interacting in 3 – dimensional space, both placed at the origin at time . These particles have different diffusion constants and . The quantity where and are the positions of the particles at time , behaves as – (June)

Choices

Choice (4)Response

a.

b.

c.

d.

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