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Question 38

The minimum energy required to cause photoelectric emission when the surface of a metal is irradiated with electromagnetic radiation of suitable frequency is called

  • A.critical energy
  • B.ionization energy
  • C.work function
  • D.planck's constant
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
2013
Question no.
#38
Type
Objective
Previous · Q37The work function of a metal is 2.56 x 10 -19 J. Calculate the frequency of a… Next · Q39 Which of the following particles are termed nucleons in a neutral atom?

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