Author Question: The reaction energy (Q value) for a particular reaction is -2.4 MeV, and the reaction's threshold ... (Read 76 times)

Caiter2013

  • Hero Member
  • *****
  • Posts: 607
The reaction energy (Q value) for a particular reaction is -2.4 MeV, and the reaction's threshold energy is 9.60 MeV. What is the ratio of the mass of the incident particle to the mass of the stationary target nucleus?
 
  A) 4.0 B) 3.0 C) 0.75 D) 0.25 E) 5.0

Question 2

In a diffraction experiment, light of 600 nm wavelength produces a first-order maximum 0.350 mm from the central maximum on a distant screen.
 
  A second monochromatic source produces a third-order maximum 0.870 mm from the central maximum when it passes through the same diffraction grating. What is the wavelength of the light from the second source?
  A)
 
  479 nm
  B)
 
  497 nm
  C)
 
  567 nm
  D)
 
  749 nm
  E)
 
  794 nm



zoeyesther

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

For a complete list of videos, visit our video library