planck's constant   (TTS Sound)

The planck's_constant has 1 Senses.

• planck's constant, h
• プランク定数
• the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second
• 頻度に光子のエネルギーを関連付ける比例定数