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

Author Question: In Heisenberg's formula, p x h, the h symbolizes A) Planck's constant. B) an average value of ... (Read 96 times)

MirandaLo

  • Hero Member
  • *****
  • Posts: 538
on: Jul 29, 2018
In Heisenberg's formula, p x h, the h symbolizes
 
  A) Planck's constant.
  B) an average value of Planck's constant.
  C) the peak value of Planck's constant.
  D) Planck's constant divided by 2.
  E) none of the above

Question 2

The filament in a light bulb has a diameter of 0.050 mm and an emissivity e = 1.0.
 
  The temperature of the filament is 3000C. How long should the filament be in order to radiate 60 W of power? The Stefan-Boltzmann constant is 5.67 x 10-8 W/(m2K4).
  A) 11 cm
  B) 9.4 cm
  C) 8.6 cm
  D) 7.2 cm
  E) 5.9 cm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

parshano

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

E


MirandaLo

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jul 29, 2018
Thank you!


parshano

  • Sr. Member
  • ****
  • Posts: 333
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

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?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Average winter rainfall and variation in rainfall among sites inhabited by Suromalus ater Average winter rainfall and variation in rainfall among sites inhabited by Suromalus ater
The Speed of Light Is Constant The Speed of Light Is Constant
BMI Formula BMI Formula
Average Normal Blood Pressure Readings Average Normal Blood Pressure Readings
Infant formula is available in several forms and varies in cost and ingredients Infant formula is available in several forms and varies in cost and ingredients
Half-life Formula Half-life Formula
Video: Types of Shock (Part 2 of 2)

For a complete list of videos, visit our video library