An election accelerated through 1 kV possesses de - Broglie wavelength 1. What will be the wavelength of
the same electron, when accelerated through 16kV:
1) 161
2) 41
3) 1/4
4) 116

Respuesta :

Answer:

Correct option is

B

1.7

A

˚

λ=

p

h

=

2mE

h

=

2mqV

h

λ=

2×9.1×10

−31

×1.6×10

−19

×50

6.6×10

−34

=1.72×10

−10

=1.72A

Option B