caesium has a work function of 3 x 10^-19J. the maximum energy of liberated electrons when it is illuminated by light of frequency 6.7 x 10¹⁴

HZ is?



[h = 6.6 x 1010^-34Js]

• A.1.42 x 10^-19J
• B.3.00 x 10^-19J
• C.4.42 x 1010^-19J
• D.7.42 x 10^-19J
• E.