JEE Advanced 2016 Paper 1

Section: Physics

Question : 10 of 54

Marks: +1, -0

A length-scale (l) depends on the permittivity (ε) of a dielectric material, Boltzmann constant kB, the absolute temperature T, the number per unit volume (n) of certain charged particles, and the charge (q) carried by each of the particles, Which of the following expressions(s) for l is(are) dimensionally correct?

[JEE Adv 2016 P1]

l=√(
nq2
εkBT
)
l=√(
εkBT
nq2
)
l=√(
q2
εn
2
3
kBT
)
l=√(
q2
εn
1
3
kBT
)

Validate

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