A) Charge of the electron
B) Work function of the metal
C) Planck's constant
D) Ratio of the Planck?s constant to electronic charge
Correct Answer: C
Solution :
Comparing Einstein?s equation \[{{K}_{\max }}=h\nu -h{{\nu }_{0}}\], with \[y=mx+c,\]we get slope, \[m=h\]
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