For a random walk during a diffusion process, at time t the average a – McqOptions

MCQOPTIONS

1.	For a random walk during a diffusion process, at time t the average atom will have advanced a radial distance r from the origin and it is given by_________
A.	3.6/√Dt
B.	2.4/√Dt
C.	4.8√Dt
D.	1.2√DT
Answer» C. 4.8√Dt

Discussion

No Comment Found

Related MCQs

During a diffusion process, at time 1s the average atom will have advanced a radial distance r from the origin and it is given by_________ (D = 2.5*10-11 (m2/s))
Assume that on average an interstitial atom jumps 6 times per second and that each jump is in a random direction, then the probability of the atom jumping to every one of the six adjacent sites is given by___________
After 2s, the average atom has an advanced radial distance of 3m from the origin, then calculate the diffusion coefficient__________ (in m2/s)
For a random walk during a diffusion process, at time t the average atom will have advanced a radial distance r from the origin and it is given by_________
State the reason behind the followingThe diffusion coefficient for carbon in fee-Fe at 1000 °C is 2.5 X 10-11 (m2*s-1) at 0.15 wt% C, but it rises to 7.7 x 10-11 (m2*s-1) in solutions containing 1.4 wt % C.
The mean vibrational energy of a particle is given by 1.656*10-20. Calculate the temperature at which the particle attains this vibrational energy?
The diffusion coefficient is given as 16(m2/s) and the concentration gradient is given as 2(mol/m^4), the flux of the particle is given by _____
The distance between two adjacent atoms in an octahedral site is given by _____ (if the sides of the unit cell are of length a, FCC material)
Usually the concentration of interstitial atoms is_________
The movement of atom from copper to Nickel is an example of________