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

Author Question: White light is spread out into spectral hues by a diffraction grating. If the grating has 1 000 ... (Read 90 times)

cool

  • Hero Member
  • *****
  • Posts: 570
White light is spread out into spectral hues by a diffraction grating. If the grating has 1 000 lines per cm, at what angle will red light (l = 640 nm) appear in first order?
 a. 14.7
  b. 7.35
  c. 17.7
  d. 3.67
  e. 1.84

Question 2

A helium-neon laser (l = 632.8 nm) is used to calibrate a diffraction grating. If the first-order maximum occurs at 20.5, what is the line spacing, d?
 a. 1.81  10-6 m
  b. 1.00  10-5 m
  c. 1.00  10-4 m
  d. 1.31  10-6 m
  e. 6.76  10-7 m



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

quynhmickitran

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

D

Answer to Question 2

A




cool

  • Member
  • Posts: 570
Reply 2 on: Jul 28, 2018
:D TYSM


JCABRERA33

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

For a complete list of videos, visit our video library