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Question 10

When a metal is heated to a high temperature, electrons are emitted from its surface. The process is known as __.

  • A.photoelectron
  • B.thermionic emission
  • C.field emission
  • D.secondary emission
Objective

Question details

Exam body
NDA
Subject
Physics
Year
2016/2017
Question no.
#10
Type
Objective
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