1. A system has a ground state energy of 2 eV.  The system is in an excited energy state with 10 eV of energy.  If the system transitions from the excited energy state to the ground state by emitting 1 eV photons, how many photons are emitted?a. Exactly 8b. More than 8c. More than 1 but less than 8d. Exactly 1e. There's no way to know for sure 2. In blackbody radiation, the wavelength that has the peak intensitya. Decreases as temperature increasesb. Increases as temperature increasesc. Doesn't change as temperature increases

Question
Asked Dec 1, 2019
18 views
1. A system has a ground state energy of 2 eV.  The system is in an excited energy state with 10 eV of energy.  If the system transitions from the excited energy state to the ground state by emitting 1 eV photons, how many photons are emitted?

a. Exactly 8
b. More than 8
c. More than 1 but less than 8
d. Exactly 1
e. There's no way to know for sure
 
2. In blackbody radiation, the wavelength that has the peak intensity

a. Decreases as temperature increases
b. Increases as temperature increases
c. Doesn't change as temperature increases
check_circle

Expert Answer

Step 1

part (1): Given:

ground state energy = 2eV

excited state energy = 10eV

Step 2

Difference in energy

help_outline

Image Transcriptionclose

ΔΕ-(2-10) eV ΔΕ-8eV

fullscreen
Step 3

Since the energy of 1 eV is required to emit one photon.

Therefor...

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Physics