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One of Young’s double slits is covered with a glass plate as shown in figure. The position of central maximum will, - Physics

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प्रश्न

One of Young’s double slits is covered with a glass plate as shown in figure. The position of central maximum will,

विकल्प

  • get shifted downwards

  • get shifted upwards

  • will remain the same

  • data insufficient to conclude

MCQ
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उत्तर

get shifted upwards

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 7: Wave Optics - Evaluation [पृष्ठ १०२]

APPEARS IN

सामाचीर कलवी Physics - Volume 1 and 2 [English] Class 12 TN Board
अध्याय 7 Wave Optics
Evaluation | Q 8. | पृष्ठ १०२

संबंधित प्रश्न

Write the important characteristic features by which the interference can be distinguished from the observed diffraction pattern.


A long narrow horizontal slit is paced 1 mm above a horizontal plane mirror. The interference between the light coming directly from the slit and that after reflection is seen on a screen 1.0 m away from the slit. Find the fringe-width if the light used has a wavelength of 700 nm.


Answer the following question.
Describe any two characteristic features which distinguish between interference and diffraction phenomena. Derive the expression for the intensity at a point of the interference pattern in Young's double-slit experiment.


What are the conditions for obtaining a good interference pattern? Give reasons.


What are the two methods for obtaining coherent sources in the laboratory?


The intensity of the light coming from one of the slits in Young's experiment is twice the intensity of the light coming from the other slit. What will be the approximate ratio of the intensities of the bright and dark fringes in the resulting interference pattern?


In a Young’s double-slit experiment, the slit separation is doubled. To maintain the same fringe spacing on the screen, the screen-to-slit distance D must be changed to ______.


What is phase of a wave?


How do source and images behave as coherent sources?


Two independent monochromatic sources cannot act as coherent sources, why?


Does diffraction take place at Young’s double-slit?


On a rainy day, a small oil film on water shows brilliant colours. This is due to ____________.


In a double slit experiment, the two slits are 2 mm apart and the screen is placed 1 m away. A monochromatic light of wavelength 500 nm is used. What will be the width of each slit for obtaining ten maxima of double slit within the central maxima of single slit pattern?


In a biprism experiment, D = 1 m, `lambda` = 6000 Å. When a convex lens is interposed between the biprism ru1d the eyepiece, then the distance between the images of the slits given by the Jens at two positions are 1.5 mm and 6.0 mm. The fringe width will be ______.


If two waves represented by `"y"_1 = 3  "sin" omega "t"` and `"y"_2 = 5  "sin" (omega "t" + pi/3)` interfere at a point, then the amplitude of the resulting wave will be about ____________.


In a biprism experiment, monochromatic light of wavelength (λ) is used. The distance between two coherent sources is kept constant. If the distance between slit and eyepiece (D) is varied as D1, D2, D3, and D4, the corresponding measured fringe widths are z1, z2, z3, and z4 then ______ 


Light waves from two coherent sources arrive at two points on a screen with a path difference of zero and λ/2. The ratio of the intensities at the points is ______ 


In Young's double-slit experiment, the distance between the slits is 3 mm and the slits are 2 m away from the screen. Two interference patterns can be obtained on the screen due to light of wavelength 480 nm and 600 run respectively. The separation on the screen between the 5th order bright fringes on the two interference patterns is ______


What is meant by Constructive interference?


Describe Young's double-slit interference experiment.


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