This topic contains a solution. Click here to go to the answer

Author Question: The energy gap for germanium is 0.670 eV at room temperature. What wavelength must a photon have (in ... (Read 54 times)

mpobi80

  • Hero Member
  • *****
  • Posts: 519
The energy gap for germanium is 0.670 eV at room temperature. What wavelength must a photon have (in nm) to excite the electron to the conduction band?
 a. 640
  b. 1 090
  c. 1 850
  d. 2 200
  e. 925

Question 2

During one year, what is the apparent change in the noonday Sun's overhead latitude?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fromAlphatoOmega22

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

c

Answer to Question 2

47




mpobi80

  • Member
  • Posts: 519
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it


LegendaryAnswers

  • Member
  • Posts: 341
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

For a complete list of videos, visit our video library