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

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 262 times)

amal

  • Hero Member
  • *****
  • Posts: 572
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
Answer to Question 1

1.27 cm

Answer to Question 2

343.5 nm





 

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

For a complete list of videos, visit our video library