De Broglie wavelength λ associated with neutrons is related with absolute temperature T as:
λ∝T
λ∝1T
λ∝1√T
λ∝T2
A
λ∝T
B
λ∝T2
C
λ∝1T
D
λ∝1√T
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Solution
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De broglie wavelength λ=hmv
where v is the velocity of the particle.
Let E be the kinetic energy of the neutrons.
Thus E=12mv2
⟹v=√2Em
Therefore λ=h√2mE
Since energy of neutrons E∝T
λ∝1√T
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