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Laser light is considered to be coherent because it
consists of
consists of
- a)Many wavelengths
- b)Uncoordinated wavelengths
- c)Coordinated waves of exactly the same wavelength
- d)Divergent beams
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Laser light is considered to be coherent because itconsists ofa)Many w...
Only a particular source can produce two coordinate waves with same wavelength and if we considered two independent laser light they will not coherent
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Laser light is considered to be coherent because itconsists ofa)Many w...
Coherence of Laser Light:
Coherence refers to the property of light waves where they maintain a constant phase relationship over time and space. Laser light is considered to be coherent because it consists of coordinated waves of exactly the same wavelength.
Explanation:
- Coordinated Waves: Laser light is created through a process called stimulated emission, where photons are emitted in a coordinated manner. This results in all the photons having the same frequency and wavelength.
- Constant Phase Relationship: The waves in laser light maintain a constant phase relationship, meaning that the peaks and troughs of the waves align perfectly. This coherence allows laser light to be focused into a tight beam with minimal spreading.
- Interference Patterns: The coherence of laser light allows it to produce interference patterns, where the waves overlap and create regions of constructive and destructive interference. This is a key characteristic of coherent light.
- Applications: The coherence of laser light is essential for many applications such as holography, interferometry, and telecommunications. The ability to control and manipulate coherent light waves is crucial for these technologies.
In conclusion, the coordinated waves of exactly the same wavelength in laser light make it coherent, allowing for precise control and manipulation of light for various applications.
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Laser light is considered to be coherent because itconsists ofa)Many wavelengthsb)Uncoordinated wavelengthsc)Coordinated waves of exactly the same wavelengthd)Divergent beamsCorrect answer is option 'C'. Can you explain this answer?
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