Mag-sign In
WAEC - Physics (1999 - No. 44)
A metal has work function of 4.375 eV Calculate its threshold frequency. (h = 6.6 x 10
-34
Js; 1eV = 1.6 x 10
-19
J)
2.01 X 10
15
Hz
1.06x10
15
Hz
6.30 x 10
14
Hz
1.60 x 10
14
Hz
Mga komento (0)
Mag-login Upang Magkomento
Advertisement
Payagan ang javascript na i-load nang maayos ang page na ito
