Dr. Ahmed Mohamed Abu-Dief
Professor - Professor of Physical and Inorganic Chemistry
Faculty of science
Address: Behind hospital of Sohag University - Ali Ebn Abi Taleb Street
326
ħ which is a convenient modification of Planck’s constant:
a) ℏ= 2ℎ/𝜋
b) ℏ= ℎ/𝜋
c) ℏ= ℎ/π2
d) ℏ= ℎ/2𝜋