Science and Technology · Physics
How is a laser defined as a device?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A device for amplifying sound waves through stimulated emission.
- 2A device producing incoherent light through electron beam interaction.
- 3A device for producing highly coherent and monochromatic light.✓
- 4A device for measuring radiation intensity using radioactive isotopes.
Correct answer
A device for producing highly coherent and monochromatic light.
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