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Two waves of same frequency have amplitudes A and 2A. They interfere at a point where their phase difference is `60^@`. What is the resultant amplitude?

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AAKASH SERIES-WAVE OPTICS-EXERCISE (VERY SHORT ANSWER QUESTIONS (INTERFERENCE))
  1. How does the spacing between fringes in Young's double slit experiment...

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  2. A Young's double slit experiment is performed with white light.

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  3. Two waves of same frequency have amplitudes A and 2A. They interfere a...

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  4. Can Young's double slit experiment be conducted with sound? How can we...

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  5. The maximum intensity at bright fringe is 4 times that of either wave....

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  6. Can the head lights of a distant car produce interference pattern? If ...

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  7. A beam of light consisting of two wavelength, 650 nm and 520 nm, is u...

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  8. What is the law of conservation of energy?

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  9. What are coherent sources? How are they realized in practice?

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  10. On reflection of light wave from rarer medium. What is the effect on i...

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  11. In Young's double slit experiment, if the two slits are illuminated wi...

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  12. Why are parallel slits preferable to the pin holes that Young used in ...

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  13. Is it necessary to have two waves of equal intensity to study interfre...

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  14. In Young's double -slit experiment, why do we use mono chromatic light...

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  15. What change in interference pattern takes place in Young's double slit...

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  16. State the principle of superposition of waves.

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  17. For the sustained interference of light, the necessary condition is th...

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  18. When a thin metal plate is placed in the path of one of the interferin...

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  19. What is resultant intensity at a point due to two identical sources of...

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  20. What can you say about the motion of an object if its speed- time grap...

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