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

Author Question: An incandescent light (glowing tungsten filament) produces: A) a continuous spectrum, with the ... (Read 138 times)

viki

  • Hero Member
  • *****
  • Posts: 525
An incandescent light (glowing tungsten filament) produces:
 
  A) a continuous spectrum, with the peak giving the temperature of the filament.
  B) an emission spectrum, with bright lines due to ionized tungsten.
  C) an absorption spectrum, with dark lines due to the solid filament.
  D) a continuum, with bright tungsten lines added.
  E) a continuum, with dark lines of tungsten and argon as well.

Question 2

The Galactic Year is the time for our solar system to orbit the Galaxy; it is about:
 
  A) 15 million years.
  B) 225 million years.
  C) 4.5 billion years.
  D) 9.6 billion years.
  E) 13.5 billion years.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jaymee143

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

A

Answer to Question 2

B





 

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

For a complete list of videos, visit our video library