[Answered] The energy gap for germanium is 0.670 eV at room temperature. What wavelength must a photon have (in ...

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 33 times)

mpobi80

Hero Member
Posts: 519

on: Jul 28, 2018

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?

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

Reply #1 on: Jul 28, 2018

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

parker125

Member
Posts: 332

Reply 3 on: Yesterday

Gracias!

« previous next »

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

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?

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?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.