Physics · Applications of Photoelectric Effect
Photoelectric cells find application in several technologies. In which of the following areas is it NOT directly used as a primary light detector tool?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Industrial counting machines and object detectors
- 2Burglar alarms and security light barriers
- 3Direct reproduction of high-definition internal digital motion pictures✓
- 4Automatic street lighting controls
Correct answer
Direct reproduction of high-definition internal digital motion pictures
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