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Let's think together for a moment. It won't hurt:
If I were to ask you: "What is this man's name ?", you would naturally want to
have a look at the man I'm talking about.
Similarly, and in just the same way as well, when you ask me "Why interference
fringes are parallel in this experiment ?", would you not expect that I naturally
want to have a look at the experiment ? And yet you give me not a glance, nor
any word that describes the experiment ? Oh how cold and cruel !
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∙ 11y ago
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How is interference in light recognized?
by the light and dark spots (fringes)
What is sustained interference pattern?
sustained interference are those in which the position of bright and dark fringes are fixed on the screen.
What is the discovery of Thomas Young about light?
thomas young carried out his (double slit experiment) where he discussed the interference of light waves using monochromatic light . the 2 slits act as 2 coherent sources which emit light with same amplitude frequency . interference fringes appear due to superposition of light . this experiment is also used to determine the wavelength of monochromatic light. from the relation y=wavelength*distance between 2 slits /distance between the 2 slits and the screen where the fringes appear . where y is the distance between 2 successive bright or dark fringes.
Why two distant flash lights do not produce interference fringes?
to produce interference pattern the sources should be coherent but two independent sources cannot produce such pattern. hence they won't produce interference fringes
What do the dark and bright fringes on screen of ripple tank represent?
In a ripple tank experiment, the dark and bright fringes on the screen correspond to the interference patterns created by the superposition of water waves. When a ripple tank is set up with a coherent source of waves, such as a vibrating paddle, it generates a series of circular waves that propagate outward. These waves can interact and interfere with each other, leading to the formation of dark and bright fringes on the screen. The dark fringes, also known as nodal lines or nodes, occur where the crest of one wave coincides with the trough of another wave. At these points, the waves destructively interfere, resulting in a minimum amplitude or no displacement of the water surface. Consequently, the water appears darker at these locations. On the other hand, the bright fringes, also called antinodal lines or antinodes, are formed when the crests of the waves align or when the troughs align. At these points, the waves constructively interfere, causing the amplitude of the resulting wave to be higher. The water surface exhibits maximum displacement, and as a result, these areas appear brighter compared to the surrounding regions. The dark and bright fringes in a ripple tank experiment demonstrate the wave nature of water waves and illustrate how the interference of waves can create patterns of varying amplitudes and intensities. These patterns are analogous to the interference patterns observed in other wave phenomena, such as light waves.
Why are the fringes called non localized?
When the reflected ray of resulting interference is parallel by which fringes formed at infinity then this type of fringes is known as non localised fringes
How is interference in light recognized?
by the light and dark spots (fringes)
What is sustained interference pattern?
sustained interference are those in which the position of bright and dark fringes are fixed on the screen.
Is the fresnel biprism experiment better than young's double slit experiment?
yes,because in fresnel biprism the fringe width can be increased so that the dark and bright fringes can be seen clearly by naked eyes..but there is no such problem in fresnel biprism.. in young's double slit experiment, the pattern is the superposition of interference and diffraction. but in fresnel biprism it is purely interference pattern.
What is the discovery of Thomas Young about light?
thomas young carried out his (double slit experiment) where he discussed the interference of light waves using monochromatic light . the 2 slits act as 2 coherent sources which emit light with same amplitude frequency . interference fringes appear due to superposition of light . this experiment is also used to determine the wavelength of monochromatic light. from the relation y=wavelength*distance between 2 slits /distance between the 2 slits and the screen where the fringes appear . where y is the distance between 2 successive bright or dark fringes.
Why is an extended source used in newtons ring experiment?
extende source is required to get nearly parallel rays of light
Why straight line fringes are formed in air wedge arrangement?
Each fringe in the pattern is produced by the interference of light rays reflected from sections of the wedge having same thickness.The locus of points having the same thickness lies along lines parallel to the contact edge.So fringes are straight.
What happens to the distance interference fringes if the separation between the slits is increased?
decreases
Why two distant flash lights do not produce interference fringes?
to produce interference pattern the sources should be coherent but two independent sources cannot produce such pattern. hence they won't produce interference fringes
What is interfere pattern?
sustained interference are those in which the position of bright and dark fringes are fixed on the screen.
Uses of fresnel's biprism?
to determine wavelenghts and interference fringes
Why do you get circular fringes in fabry perot experiment?
In michelson interferometer the mirros are perpendicular and because of our eye viewed direction and angle theta the fringes are circular
