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So we can conclude that if red light is replaced by blue light then the width of interference fringes decreases which means fringes come closer to each other.The fringe width and interference will decrease if if the red light it is replaced by the blue light from the source. This is because blue light wavelength is lower and its intensity is is low when compared to red light. As the wavelength of the light is directly proportional to the fringe width of the wave.β=dDλ, i.e., β∝λ; the wavelength of blue light is less than that of red light; hence if red light is replaced by blue light, the fringe width decreases, i.e., fringes come closer.
What will be the effect on interference fringes if a red light is replaced by blue light?
The fringe width and interference will decrease if if the red light it is replaced by the blue light from the source. This is because blue light wavelength is lower and its intensity is is low when compared to red light. As the wavelength of the light is directly proportional to the fringe width of the wave.
What will be the effect on fringes?
β=dDλ, i.e., β∝λ; the wavelength of blue light is less than that of red light; hence if red light is replaced by blue light, the fringe width decreases, i.e., fringes come closer.
What is effect on the interference fringes in a Young\\’s double slit experiment due to each of t…
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What is the effect on the interference fringes if the monochromatic?
Solution : If monochromatic light source is replaced by a source of white light, the interference patterns due to difference component colours of white light will overlap. The central bright fringes for all colours are at same point, hence the central fringe is white. but all other fringes are coloured.
What is the effect of interference fringes in YDSE due to?
What is effect on the interference fringes in a Young’s double slit experiment due to each of the following operations : <br> (a) the screen is moved away from the plane of the slits, <br> (b) the monochromatic source is replaced by another monochromatic source of shorter wavelength, <br> (c ) the separation between …
How does the fringe width of interference fringes change?
1 Answer. Fringe width, β = Dλ/d => β ∝ λ for same D and d. When the whole apparatus is immersed in a transparent liquid of refractive index n =1×3, the wavelength decreases to λ = λ/n = λ/1.3. so, fringe width decreases to 1/1.3 time.
What happens to the fringe width when the blue Colour light is replaced by red Colour light in a Young’s double slit experiment?
As the wavelength of red light is more than that of blue light. So fringe width in case of red light is more than that for the blue light. Thus fringe width increases when we replace the blue light with red light. Hence option 1 is correct.
What is the effect on the interference fringes in Young’s double slit experiment if the source slit is moved closer to the double slit plane?
If the source slit is moved towards or closer to the double slit plane then this condition is not satisfied. The value of S decreases and the interference fringes will overlap on one another. Due to this interference pattern will be less sharp and have low intensity.
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What is the Effect on the Interference Fringes to a Young’S …
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What will be the effect on the fringes formed in Young’s experiment if whole of the apparatus is immersed in water?
Answer: If the Young’s apparatus is immersed in water, the effect on fringe width will be narrower. The wavelength of light is less in water than in air. Hence, the fringe width will decrease.
What is the effect on interference fringes in Young’s double slit experiment when the width of the source light is slightly increased?
As the source slit width increase, fringe pattern gets less and less sharp. When the source slit is so wide the above condition does not satisfied and the interference pattern disappears.
What is the effect on interference fringes when monochromatic light is replaced by white light?
The central fringe will be formed as a result of constructive interference of all the colours and will appear white. Hence, if monochromatic light is replaced by a white light, coloured fringes will be observed with a central bright white fringe.
What will be effect on the interference fringes in YDSE when the monochromatic source is replaced by source of white light?
When we use white light in place of monochromatic light then only central fringe looks white and other fringes of different colour are observed. It is becaused central fringe for all the colours are formed at central point so it becomes white after mixiing up.
What is effect on the interference fringes in a Young’s double slit experiment due to each of the
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What is the effect on the interference pattern observed in a Young’s Double?
So, width of the fringes gets decreased if the distance between the slits (d) is increased and thus we get narrower fringes. Was this answer helpful?
What changes in the interference fringes in Young’s double slit experiment will be observed when I light of smaller frequency is used ii the apparatus is immersed in water?
Answer: In Young’s double slit experiment, the fringe width is given by β=Dλ/d=Dc/dv Clearly, (i) When light of smaller frequency (v) is used, fringe width increases. (ii) Wavelength of light in water decreases, so fringe width (β∝λ) also decreases.
What are the factors on which fringe width of interference fringes depend?
Answer: The wavelength of light, distance between the slits and the screen or slit separation.
What is the effect on the fringe width if the distance between the slits is reduced keeping other parameters same?
Solution. Hence, if the distance between the slits is reduced then the width of the fringes increases. In that case, fewer nodal regions are produced on the screen and the fringes will become wider but less in number.
How does the width of the slits affect the interference pattern?
If we increase the width of the slit, what happens to the central maximum in the diffraction pattern? It gets narrower. This is true for single slits, double slits, and diffraction gratings. The smaller the object the wave interacts with, the more spread there is in the interference pattern.
How does the fringe width in interference pattern vary with the wavelength of incident light?
1 Answer. The fringe width is directly proportional to the wavelength of incident light.
What happens to the fringe width of interference pattern when the distance?
Thus fringe width of the interference pattern increases as we decrease the distance between the two slits.
What will be the effect if any on the fringe width in YDSE experiment If red light is used in place of violet light?
The wavelength of red light is greater than the wavelength of violet light, so fringe width will reduce. And the consecutive fringes will come closer. Was this answer helpful?
How does the angular separation of interference fringes change?
How does the angular separation of interference fringes change, in Young’s experiment, if the distance between the slits is increased? Therefore, when separation between slits (d) is increased, then fringe width ‘ω’ is decreased since, they have an inverse dependence.
What is fringe width?
Fringe width is the distance between two consecutive bright spots (maximas, where constructive interference take place) or two consecutive dark spots (minimas, where destructive interference take place).
Laser Interference Fringes
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When the wavelength of the light is increased the distance between the interference fringes will?
Increasing the wavelength of the light increases the spacing between different fringes since the spacing between different fringes is wavelength dependent. Red light has the largest wavelength of the color spectrum with a range of 625 – 740 nm, while violet has the smallest wavelength with a range of 380 – 435 nm.
What would happen if distance between slits is decreased in YDSE?
In YDSE, if separation between the slits is less than wavelength of light, then no interference pattern can be observed.
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