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Laser light is considered to be coherent as it consists of
- a)divergent beam
- b)different wavelengths
- c)uncoordinated wavelength
- d)coordinated waves of same wavelength
Correct answer is option 'D'. Can you explain this answer?
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Laser light is considered to be coherent as it consists ofa)divergent ...
Coherence in Laser Light
By having coordinated waves of the same wavelength, laser light exhibits coherence, which is essential for its unique properties and diverse applications in science and technology.
- Definition of Coherence: Coherence refers to the property of light waves where they maintain a constant phase relationship with each other. In the case of laser light, this means that all the waves have the same frequency and wavelength.
- Coordinated Waves: Laser light is considered coherent because it consists of coordinated waves of the same wavelength. This means that the waves are in phase with each other, leading to a single dominant wavelength and direction.
- Uniform and Stable: The waves in laser light are uniform and stable, with a well-defined pattern of interference. This coherence allows laser light to be focused into a tight beam, with minimal divergence.
- Applications of Coherence: The coherence of laser light is crucial for various applications, such as in precision measurements, holography, and telecommunications. The ability to control and manipulate coherent light waves is a key feature of lasers.
By having coordinated waves of the same wavelength, laser light exhibits coherence, which is essential for its unique properties and diverse applications in science and technology.
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Laser light is considered to be coherent as it consists ofa)divergent beamb)different wavelengthsc)uncoordinated wavelengthd)coordinated waves of same wavelengthCorrect answer is option 'D'. Can you explain this answer?
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