Question

140. The de-Broglie wavelength of a neutron in thermalequilibrium with heavy water at a temperature T(Kelvin) and mass m, is
(1) h/√(mkT) (2) h/√(3mkT)
(3) 2h/√(3mkT) (4) 2h/√(mkT)

Answer 1

Explanation:

(2) bc

$lambda = h \div \sqrt{3mkt}$

lambda=h/mv