This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Light from a helium-neon laser (l = 632.8 nm) is incident upon a 0.200-mm wide slit. Find the total ... (Read 257 times)

amal

  • Hero Member
  • *****
  • Posts: 572
on: Jul 28, 2018
Light from a helium-neon laser (l = 632.8 nm) is incident upon a 0.200-mm wide slit. Find the total width of the central maximum 2.00 m from the slit.

Question 2

A uniform film of oil (n = 1.31) is floating on water. When sunlight in air is incident normally on the film, an observer finds that the reflected light has a brightness maximum at l = 450 nm and a brightness minimum at l = 600 nm. What is the thickness of the oil film?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Kdiggy

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 28, 2018
Answer to Question 1

1.27 cm

Answer to Question 2

343.5 nm


amal

  • Hero Member
  • *****
  • Posts: 572
Reply #2 on: Jul 28, 2018
Thanks


Kdiggy

  • Sr. Member
  • ****
  • Posts: 340
Reply #3 on: Jul 28, 2018
Welcome :)


« previous next »
 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

(a) A turbidometry detector measures laser light directly across from the light source. The sample, ... (a) A turbidometry detector measures laser light directly across from the light source. The sample, ...
Electrophoresis gel in a densitometer. (a) The green light from the slit light source is visible ... Electrophoresis gel in a densitometer. (a) The green light from the slit light source is visible ...
How to find the first and second differences for any table of values How to find the first and second differences for any table of values
How to find derivatives of trigonometric functions How to find derivatives of trigonometric functions
How to find the domain and range of natural logarithmic functions (Part 1) How to find the domain and range of natural logarithmic functions (Part 1)
Find the magnitude and the direction of the resultant vector of the vectors below. Find the magnitude and the direction of the resultant vector of the vectors below.
Video: Electrocardiogram Examination

For a complete list of videos, visit our video library