Find the De Broglie wavelength of a neutron at 127 C - Physics - Dual Nature Of Radiation And Matter

Question

Find the De Broglie wavelength of a neutron at 127?C

Vipra Mishra · Accepted Answer

Solution
T = 127 + 273 =400 KEnergy of neutron at temperature TE =32kT=32×1
38×10-23×400 =828×10-23 Jλ =h2mEλ =6
63×10-342×1
66×10-27×828×10-23 =6 63×10-342748
96×10-50=6 63×10-3452 43×10-25λ =0
126×10-9 = 1 26 ×10-10 m