Among the following travelling objects, which has the shortest de Broglie
wavelength?
Hint. It is not necessary to calculate the wavelength for each object. The quickest
way to answer this question is to consider how the de Broglie wavelength depends
on the momentum (mass x speed).
ma
O
A Boeing 777 airplane (mass 2.5×105 kg) flying at a speed of 250 m/s (560 mph)
A bird of mass 2x10-2 kg flying at a speed of 10 m/s
A car of mass 2x10³ kg driving at a speed of 50 m/s
HADEMA kelaparas pasikei
E OS
KAMA MŪ
A person of mass 80 kg running at a speed of 3 m/s
A Neon atom (mass 3.4×10-26
danaume
para
kg) traveling at a speed of 3×10³ m/s