Physics · Optics
The International Day of Light (IDL) on May 16 marks the anniversary of which event?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Discovery of electricity
- 2First human spaceflight
- 3Invention of the light bulb
- 4Theodore Maiman's first successful laser operation in 1960✓
Correct answer
Theodore Maiman's first successful laser operation in 1960
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