0
The circular fringes are obtained while viewing the lens through the travelling microscope. It is formed on the lens of the travelling microscope.
Wiki User
∙ 13y ago
Wiki User
∙ 11y agoit forms because of interfrence in reflected light one from innner part of mirror &
other from flat glass plate
Add your answer:
Earn +20 pts
Difference between Newton's ring fringes and biprism fringes?
Biprism produce straight fringe systems while Newton's rings are circular fringe patterns.
Why newton ring are not equispaced?
no they become more closer as we go away from the rad
Why we get circular rings in newton's ring exp?
It is due to the reflection of light between two surfaces, which are the spherical surface and its adjacent flat surface. The light frequency depends on the height of the air column between both surfaces. When these points are equal the light reflects from both creating equal brightness. When light is bent, it is reflected by the flat surface and creates dark and bright fringes.
What is a localised part of the body specialised for particular functions?
cells
Which scientist stated the law of motion Newton Einstein Fermi or Galileo?
newton. newton. newton.
Difference between Newton's ring fringes and biprism fringes?
Biprism produce straight fringe systems while Newton's rings are circular fringe patterns.
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
Why are the fringes circular in newton's rings?
intensity of ring formed depends upon the thickness of air coloumn b\w the lens & glass plate.and the locus of points having same thickness of aircolumn is a circle,with the center as the point of contact of b\w the glass plate and lens.
What is meant by non-localized fringe?
Waves traveling through space interfere and produce visible fringes if the conditions are right. In particular, the waves must have some degree of spatial and temporal coherence over a region of space. Fringe localization defines the region of space where interference occurs and fringes with reasonably good contrast are observed. The location of this region relative to the components of the interferometer depends on properties of the source and geometry of the interferometer. In this section, basic properties of fringe localization are illustrated for various types of sources and interferometers. one can divide the different degree of localization in the following way: 1) Localized everywhere: The fringes have high visibility everywhere in the observation space. (Also called non-localized or unlocalized.) 2) Localized: The fringes have high visibility over some surface in the observation space. The fringe localization surface can be curved. 3) Localized at infinity: A lens is used to transform the angular distribution of fringes into a spatial distribution of fringes on an observation plane with high visibility. The observation plane is usually at the back focus of the lens. Otherwise, fringe visibility is too low for observation. (Also called Haidinger's fringes or fringes of equal inclination.) 4) Fringes of equal thickness: Localized fringes, where fringes correspond to contours of constant thickness between two surfaces.
What happens when a silver plate is used in newton's rings experiment?
fringes will shift because path differnce of wavelength/2 will remove.
Why do we observe the dark and bright colored frings in newton's ring?
the newton's rings are formed due to the phenomenon of thin film interference. here, the condition for constructive interference(the ring appearing bright) is that the optical path difference between interfering waves should be an integral multiple of the wavelength. the optical path difference is given by 2t-(l/2) if t is the thickness of the air film at that point and l is the wavelength of light. at the central point, the lens touches the surface so thickness t=0. thus the optical path difference is simply l/2, which is the condition for destructive interference, not constuctive interference. so the central spot has to always be dark.
Why ring start collapsing to the center when you use planoconcave lens in newton's ring?
don,t know
Why are rings circular in newtons rings?
Since a plano-convex lens is being used in Newton's Rings .. that's why=the fringes are seen circular from above, on the glass plate.=
Why are the fringes elliptical in cornu's method?
In newton's ring experiment,shape of optical fringe pattern circular rings.In cornu's method method, the optical fringe pattern formed between a bent glass beam and an optical flat loid on top of the beam. the bending is accompanied by change in shape of rings from circular to eliptical.
What does fringes mean?
fringes are bangs (worn as a hairstyle)
When was The Fringes of the Fleet created?
The Fringes of the Fleet was created in 1916.
What are the examples of localised resources?
Example of localised resource are metal ores and fertile soil
