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Two beams of light having intensities 9I and 4I interfere to produce fringe pattern on a screen P, Q and R are three points on the screen at which the phase differences between the interfering beams are 30^(@), 45^(@)" and "60^(@) and the intensities are I_(P), I_(Q)" and "I_(R ) respectivley. Arrange the diffrence between the intensities in ascending order |
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Answer» <P>`(I_(P)-I_(Q)), (I_(P)-I_(R )), (I_(Q)-I_(R ))` |
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