The threshold frequency v0for a metal is 7.0X 1014 s-1. Calculate the kinetic energy of an electron emitted when radiation of frequency v= 1.0 X 1015 s-1hits the metal.
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v0=7×10^14s^-1
v = 1×10^15 or 10×10^14 s^-1
h(v-v0)=k.e
6.627×10^-34 (10×10^14-7×10^14)=ke
6.627×3×10^-20 =K E
19.881× 10^-20=KE
or 1.99×10^-19 =KE
v = 1×10^15 or 10×10^14 s^-1
h(v-v0)=k.e
6.627×10^-34 (10×10^14-7×10^14)=ke
6.627×3×10^-20 =K E
19.881× 10^-20=KE
or 1.99×10^-19 =KE
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