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 95 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?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Apidium may be ancestral to all later higher primates and is reconstructed as looking like a small-b Apidium may be ancestral to all later higher primates and is reconstructed as looking like a small-b
Average household size Average household size
The average percentages by polygraph exams The average percentages by polygraph exams
formula formula
What would your average (mean) number of cells per cluster be? What would your average (mean) number of cells per cluster be?
Average quarterly presidential approval rating, from Eisenhower to Trump Average quarterly presidential approval rating, from Eisenhower to Trump
Video: Osmosis - water transport

For a complete list of videos, visit our video library