A light of wavelength \[6000\overset{o}{\mathop{A}}\,\] shines on two narrow slits separated by a distance 1.0 mm and illuminates a screen at a distance 1.5 m away. When one slit is covered by a thin glass plate of refractive index 1.8 and other slit by a thin glass plate of refractive index\[\mu \], the central maxima shifts by 0.1 rad. Both plates have the same thickness of 0.5 mm. The value of refractive index \[\mu \]of the glass is

A light of wavelength \[6000\overset{o}{\mathop{A}}\,\] shines on two

1.	A light of wavelength \[6000\overset{o}{\mathop{A}}\,\] shines on two narrow slits separated by a distance 1.0 mm and illuminates a screen at a distance 1.5 m away. When one slit is covered by a thin glass plate of refractive index 1.8 and other slit by a thin glass plate of refractive index\[\mu \], the central maxima shifts by 0.1 rad. Both plates have the same thickness of 0.5 mm. The value of refractive index \[\mu \]of the glass is
A.	1.4
B.	l5
C.	1.6
D.	None of these
Answer» D. None of these