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

Author Question: When a grating having 5000 lines/cmis illuminated by monochromatic light, the angle between the ... (Read 25 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
When a grating having 5000 lines/cmis illuminated by monochromatic light, the angle between the central maximum and the fourth order maximum is 47.2. What is the wavelength of the light?
 
  A) 138 nm
  B) 183 nm
  C) 367 nm
  D) 637 nm

Question 2

A thermodynamic engine with an efficiency of 30 performs 2500 J of work. How much thermal energy is discharged to the lower temperature reservoir?
 
  A) 5800 J
  B) 8300 J
  C) 750 J
  D) 1400 J
  E) 7100 J



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

TheDev123

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

C

Answer to Question 2

A





 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

For a complete list of videos, visit our video library