# Planck's constant

### Topic Page

Planck's constant### Questions

- How do you calculate planck constant?
- How is planck's constant used in the photoelectric effect?
- How do you derive Planck's constant?
- How can you differentiate Planck's function?
- How do you calculate the number of photons?
- What is an example of a Planck's constant practice problem?
- What is Planck's constant?
- Why is Planck's Constant important?
- An electron has a wavelength of 239 nm. Find its momentum. Planck’s constant is 6.63*10^-34?
- Can you calculate the energy of a photon of wavelength 11.56 meters, (Planck’s constant is 6.626 x 10-34 joule seconds; the speed of light is 2.998 x 108 m/s)?
- What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?
- What are some common mistakes students make with Planck's constant?
- What are some examples of the Planck's constant?
- What is the physical significance of the Planck's constant?
- What is Planck's constant dimensionally equal to?
- Question #74a9b
- How do you use Planck's constant to determine frequency of a photon (given t frequency) or the energy (given the frequency)?
- How does Planck's radiation law relate to temperature? What conclusions can be drawn from it?
- Question #30c7b
- Which of these does Planck's constant depend on?
- Could you solve for frequency by dividing energy by Planck's constant?