The following datit were observed in an expetiment on tho photoclectric edect of an element Graphically evaluate these data to obthen valuo for Pianck's oonstant. Express. Planck's constant injoule-seconds to three significant figures. x Incorrect; Try Again: 5 attempts remaining Part B Sraphically eveduate there data to obtain value for the work function Express the work function in electronvolts to three significant figures