The work function of a metal is 8.2 into 10 to the power of -19. Then the threshold frequency of the metal is
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hv_ =work function
v_=8.2×10^(-19)/6.6×10^(-36)
=1.3 × 10^17
v_=8.2×10^(-19)/6.6×10^(-36)
=1.3 × 10^17
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