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

Author Question: The spectrum of a mercury vapor lamp under very high pressure appears as that from A) an ... (Read 80 times)

pragya sharda

  • Hero Member
  • *****
  • Posts: 566
The spectrum of a mercury vapor lamp under very high pressure appears as that from
 
  A) an incandescent source.
  B) a laser.
  C) an ultraviolet source.
  D) a gas other than mercury.
  E) a monochromatic source.

Question 2

As a solid is gradually heated, it first glows
 
  A) red.
  B) yellow.
  C) white.
  D) blue.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bimper21

  • Sr. Member
  • ****
  • Posts: 309
Answer to Question 1

Answer: A

Answer to Question 2

Answer: A




bimper21

  • Sr. Member
  • ****
  • Posts: 309

 

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

For a complete list of videos, visit our video library