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in young doble slit expt the bandwitdh of the fringe obtained with red light in 2mm. the apprutus is immersed in water then the resutant bandwidth

in young doble slit expt the  bandwitdh of the fringe obtained with red light in 2mm. the apprutus is immersed in water then the resutant bandwidth
 
 

Grade:12th pass

1 Answers

Shreyansh Chanani
27 Points
6 years ago
Resultant bandwidth will decrease. This is because wavelength of the light will decrease by mew times (refractive index). And fringe width is directly proportional to wavelength of light . Therefore, new answer is 2mm * 4/3 = 8/3 mm.

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