Question

Which is greater: The energy of a
photon emitted from a hydrogen atom when the electron makes a
transition from the *n* = 3 to the *n* = 1 energy
level, or

• the kinetic energy of a 2 gram Ping-Pong ball moving with a speed of 1 m per hour?

Answer #1

a. what is the energy of the emitted photon if an electron in
the hydrogen atom makes a transition from the n=7 state to the n=2
state?
b. Now, Imagine there is a photon with the same wavelength. What
is the speed of this photon?

An electron in a hydrogen atom makes a transition from the n =
68 to the n = 4 energy state. Determine the wavelength of the
emitted photon (in nm).

(1)
Part A: If a electron in a hydrogen atom makes a transition from
ground state to n = 8 level what wavelength of light in (nm) would
be needed for the abosorbed photon to cause the transition?
Part B: If the same electron falls to a lower level by emmitting
a photon of light in the Paschen series what is the frequncy of
light in (Hz) thats emitted?
(2) When a photon have a wavelength of 195nm strikes the...

An electron in a hydrogen atom makes a transition from the n = 7
to the n = 2 energy state. Determine the wavelength of the emitted
photon (in nm). Enter an integer.

Light is emitted from a hydrogen atom as an electron in the atom
jump from the n=9 orbit to the n=3 orbit.
What is the energy of the emitted photon in eV?
(b) What are the frequency and wavelength of the photon?
(c) In which frequency range (UV, visible, IR) is the emitted
electromagnetic radiation? Justify your answer.

7) Calculate the energy of the photon emitted when a hydrogen
atom undergoes a spin-flip transition. How many such photons would
it take to equal the energy of a single photon of wavelength 656.3
nm emitted by hydrogen (level 3 – level 2 transition)?
8) Suppose you discovered a star made purely of hydrogen and
helium. How old do you think it would be? Explain your
reasoning.

Calculate the energy of a photon produced when an electron in
hydrogen makes a transition from an excited state in the 5th n=5
level, back to the ground state, n=1. Would you expect to see
radiation from this photon? Explain.

What is the wavelength of the photon emitted as the electron in
the hydrogen atom transitions from the 3rd to 2nd level? What is
the frequency of the photon and what is the energy carried by the
photon?
got -6606 A for the first one and I'm not sure if I'm doing it
right

1. a. A photon is absorbed by a hydrogen atom causing an
electron to become excited (nf = 6) from the ground state electron
configuration. What is the energy change of the electron associated
with this transition?
b. After some time in the excited state, the electron falls from
the n = 6 state back to its ground state. What is the change in
energy of the electron associated with this transition?
c. When the electron returns from its excited...

A photon is emitted from a hydrogen atom when an electron goes
from the n = 6 to the n = 2 state. What kind of electromagnetic
radiation is this? Select one:
a. Visible Light
b. Ultraviolet Light
c. Infrared Radiation
d. X-Ray Radiation
e. Microwave Radiation

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