Question

Which of the following has the largest de Broglie wavelength (all have equal velocity) (a) 00, molecule () NH, molecule (c) Electron (d) Proton​

Answer 1

Answer:

B:Ammonia molecule

Atomic mass, NH

3

=17amu,CO

2

=44amu,O

2

=32amu,N

2

=28amu

λ=

mv

h

; λ∝

m

1

Ammonia has the least atomic mass, therefore, its wavelength is maximum.