Science · Optics
Which of the following properties is characteristic of a laser beam?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Completely non-directional and divergent
- 2Consists only of natural red light wavebands
- 3Polychromatic with a broad spectrum
- 4Highly monochromatic and coherent✓
Correct answer
Highly monochromatic and coherent
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