In Young's double slit experiment, the 
-coordinates of central maximum and 
maxima are 2 cm and 5 cm respectively. When the YDSE apparatus is immersed in a liquid of refractive index 1.5, the corresponding 
-coordinates will be
Text Solution
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Fringe width, 
i.e., 
So, wavelength 
and hence fringe width 
decreases by 1.5 or 
times when immersed in liquid. The distance between central maximum and 
maxima is 3 cm in vacuum. When immersed in liquid it will reduce to 2 cm. Position of central maximum will not change while 
maxima will be obtained at 
.
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