A Neutron Has a Mass of 1 $\degree$ C)?
A)273
B)25
C)36
D)309
E)51

Multiple Choice

A neutron has a mass of 1.67 *10 ^{- 27} kg.Its de Broglie wavelength is 1.4 *10 ^{- 10} m.What temperature would it correspond to if we had a monatomic gas having the same average kinetic energy (in $\degree$ C) ?

A) 273
B) 25
C) 36
D) 309
E) 51