What is the frequency of a photon emitted in a hydrogen atom as the electron dro

Question

What is the frequency of a photon emitted in a hydrogen atom as the electron drops from the n=3 level to the n=1 level?

12.02 Hz

1.02 x10-7 Hz

15.11

d.    2.92 x1015 Hz

What is the de Broglie wavelength of a proton if it has momentum of 6.04x10-19 kg*m/s?

9.11 x1014 m

5.67x10-23 m

8.76x10-34 m

1.10 x10-15 m

a.

12.02 Hz

b.

1.02 x10-7 Hz

c.

15.11

d.    2.92 x1015 Hz

What is the de Broglie wavelength of a proton if it has momentum of 6.04x10-19 kg*m/s?

a.

9.11 x1014 m

b.

5.67x10-23 m

c.

8.76x10-34 m

d.

1.10 x10-15 m

Explanation / Answer

Energy for level n for hydrogen .. En = 13.60 /n

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