What does the h in Planck constant stand for?Planck's Law:Planck's law is E = hf, where E is your energy in units of Joules, h is known as Planck's constant, in units of J*s and f stands for frequency, which is in units of inverse seconds or Hertz....
What is the wavelength of an H atom {eq}(1.67 \times 10^{-27}\ kg) {/eq} if it is traveling at 700 m/s? Use {eq}6.626 \times 10^{-34}\ kg\cdot m^2/s {/eq} for Planck's constant. Division for ...
How do astronomers describe the shape of the universe, and what could it mean for the fate of the cosmos?When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The microwave sky as seen by Planck. This multi-frequency all-sky image of ...
Here’s how it works. The Big Bang Theory explains how the universe began 13.7 billion years ago. (Image credit: RomoloTavani via Getty Images) Jump to: The beginning of the universe Big Bang theory FAQs Modelling the Big Bang How old is the universe? Expansion vs explosion The...
Write the expression for the energy of a photon. E=hν Here, the Planck's constant is h, and the frequency is...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough hom...
What is the energy of a single photon with a frequency of {eq}7 \times 10^8 {/eq} Hz. (hint Planck's constant = {eq}6.626 \times 10^{-34} {/eq}) Photon At the beginning of {eq}20^{th} {/eq}, Planck's gives a new theo...