Utme 2021 Physics Question 31

Practice objective / multiple choice question 31 from the 2021 Utme Physics examination.

Utme 2021 Physics Objective / Multiple Choice
Question 31 UTME • 2021 • PHYSICS • objective

Thermionic emission is the process whereby

Answer Options

A. \( \beta \)-rays are produced.
B. holes are produced.
C. X-rays are produced.
Correct Answer D. electrons leave a hot element.
Correct Answer
D
Correct Option:
electrons leave a hot element.

About This Question

This is Utme 2021 Physics Question 31. It is one of the objective questions from the 2021 Utme Physics examination.

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