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A beam of light of wavelength 600 nm fro...

A beam of light of wavelength 600 nm from a distant source falls on a single slit 1.00 mm wide and the resulting diffraction pattern is observed on a screen 2m away. What is the distance between the first dark fringes on either side of the central fringe?

A

1.2 cm

B

1.2mm

C

2.4 cm

D

2.4 mm

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. Yellow light is used in a single slit diffraction experiment with slit...

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  2. A parallel monochromatic beam of light is incident normally on a narro...

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  3. A beam of light of wavelength 600 nm from a distant source falls on a ...

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  4. A ray of light from a rarer medium strikes a denser medium. The reflec...

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  5. A light ray travelling in glass medium is incident on glass-air interf...

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  6. A ray of light is reflected at angle 30^@.If the angle of incidence be...

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  7. A ray of light travels from the point A to B with a uniform speed.On i...

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  8. A boy is running towards a plane mirror with a speed of 2 m s^(-1).Wit...

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  9. A square wire of side 3 cm is placed 25 cm away from a concave mirror ...

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  10. If a concave mirror of focal length f produces a real image n times th...

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  11. A concave mirror of focal length f ( in air ) is immersed in water (mu...

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  12. A convex mirror of focal elongth f produces an image magnified m times...

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  13. A convex mirror forms an imge,which is 1//n times the size of the obje...

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  14. A short linear object of length b lies along the axis of a concave mir...

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  15. A diminihsed virtual image can be produced only with

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  16. A virtual image larger than the object can be produced by

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  17. The field of the view is maximum for

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  18. In case of spherical mirrors,which of the followed do/does not depend ...

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  19. Light appears to travel in a straight lines,since

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  20. If the light prpagating along a straight ine bends by a small but fixe...

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