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The fringes seen in Young's double slit ...

The fringes seen in Young's double slit experiment are an evidance of

A

corpuscular of light

B

wave nature of light

C

dual nature of light

D

refraction of light

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The correct Answer is:
B
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A beam of light consisting of two wavelengths 6500 A ˙ and 5200 A ˙ is used to obtain fringes in a Young's double slit experiment.Find the distance of the third bright fringe on the screen from central maximum for the wavelength 6500 A. The distance between the slits is 2mm and the distance between the plane of the slits and the screen is 120 cm

What is the effect on the interference fringes in Young's double slit experiment when the monochromatic source is replaced by a source of white light?

(Attempt any nine of the following questions) What are coherent sources? In a Young's double slit experiment the intensity of light at a point on the screen where path difference lambda is K units. Find the intensity at a point where the path difference is lambda/ 3 .

Yellow light of wavelength 6000Å produces fringes of width 0.8 mm in Young's double slit experiment. What will be the fringe width of the light source if it is replaced by another monochromic source of wavelength 7500Å and sepearation between the slits is doubled?

BINA LIBRARY-OPTICS -II-EXERCISE
  1. Write two difference between real and virtual image ?

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  2. What is a beam of light?

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  3. Two waves of same frequency , but of amplitudes in the ratio 1 : 3 are...

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  4. In Young's experiment, the ratio of maximum to minimum intensities of ...

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  5. In Young's double slit experiment on interference the ratio of intensi...

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  6. Two slits, 4 mm apart, are illuminated by light of wavelength 6000Å . ...

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  7. In Young's double slit experiment, intensity on screen at a point wher...

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  8. In a Young's double slit experiment, using sodium light ( lamda = 589...

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  9. When light is incident at polarising angle, which of the following is ...

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  10. What changes occurs on polarisation of light?

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  11. Which of the following undergo maximum diffraction?

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  12. Light waves are

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  13. Light waves are transverse in nature. This is indicated by

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  14. In Young's double slit experiment, the separation between the slits is...

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  15. The fringes seen in Young's double slit experiment are an evidance of

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  16. How is the interference pattern in Young's double slit experiment affe...

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  17. Two light sources are said to be coherent if they emit

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  18. Which one of the following phenomena can not be explained by wave theo...

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  19. Polarisation of light shows that light waves are

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  20. Polarised glass is used in sunglass, because

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