Physics, asked by nandank5713, 1 year ago

The work function of a metal is 2.5 x 10^-19 J. (a) Find the threshold frequency for photoelectric emission,

Answers

Answered by mk4533976pe0b98
3
wkt
work function=Planck's constant *threshold frequency
2.5×10^-19 =6.624×10^-34×threshold frequency
threshold frequency= 2.5×10^-19/6.624×10^-34
=0.377×10^15
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