Following results are observed when sodium metal is irradiated with different
Channel: Doubtnut
Date: 12/07/2020

Following results are observed when sodium metal is irradiated with different wavelengths. Calculate (a) threshold wavelength and (b) Planck's constant.  `{:(lambda(nm),,5000,450,400),(vxx10^(-5)(cm s^(-1)),,2.55,4.35,5.35):}`