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In which of the following devices is the principle of photoelectric effect not applicable?
Classroom
Physics Classroom
Waec
Waec 2004
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In which of the following devices is the principle of photoelectric effect not applicable?
SchoolNGR Classroom
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
A
Close-circuit television camera
B
Burglar alarm
C
Solar cells
D
Periscope
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Show Explanation
Correct Answer:
Option D
Explanation:
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