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What are constructive and destructive interferences ?

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In Young's double-slit experiment deduce the condition for constructive and destructive interference at a point on the screen. Draw the graph showing variation of the resultant intensity in the interference pattern against position 'X' on the screen.

Describe the condition for constructive and destructive interfernce.

Two identical coherent waves, each of intensity 'I', are producing an interference pattern. Find the value of the resultant intensity at a point destructive interference.

Write the conditions on path difference under which destructive interference occur in Young's double slit experiment.

MODERN PUBLICATION-Interference of Light-EXERCISE
  1. What are constructive and destructive interferences ?

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  2. What is interference of light?

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  3. What is interference of light?

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  4. What is interference of light?

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  5. What are coherent sources of light?

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  6. What are coherent sources of light?

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  7. What are coherent sources of light?

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  8. Two sources of intensity I1 and I2 undergo interference in Young's dou...

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  9. What are coherent sources of light? Draw the variation of intensity wi...

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  10. Obtain the condition for gettin dark and bright fringes in Young's exp...

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  11. Derive an expression for fringe width in Young's double slit interfere...

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  12. Light after passing through two adjacent narrow slits falls on a scree...

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  13. Derive an expression for fringe width in Young's double slit interfere...

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  14. Derive an expression for fringe width in Young's double slit interfere...

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  15. Define coherent sources of light, fringe width and interference of lig...

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  16. Prove that the fringe width of both the brigth and dark fringes in int...

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  17. Prove that the fringe width of both the brigth and dark fringes in int...

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  18. In Young's double slit experiment what is the shape of interference fr...

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  19. Show that Lenz's law obeys the law of conservation of energy.

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  20. Prove that the law of conservation of energy is obeyed during interfer...

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  21. Discuss the conditions for film to appear bright and dark,when viewed ...

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