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| 1. |
What is the distance between minima on either side of screen in ydse |
| Answer» TION:In YDSE,the formula for bright FRINGES (CONSTRUCTIVE INTERFERENCE) is:yn=dnλD for nth bright fringeInitially, D=1.5mλ=500nm=500×10−9mn=2y2=10mm=10×10−3m=10−2mSubstituting: d=10−22×500×10−9×1.5=1500×10−7=1.5×10−4mNow,if λ=550nm:y2′=1.5×10−42×550×10−9×1.5=1100×10−5=1.1×10−2m Shift =y2′−y2=1.1×10−2−1×10−2=10−2(1.1−1)= | |