A thin mica sheet of thickness  and refractive index  is introduced in the path of the first wave. The wavelength of the wave used is . The central bright maximum will shift
a)	2 fringes upward	b)	2 fringes downward	c)	10 fringes upward	d)	None of these

Question ID - 150032 | SaraNextGen Answer

A thin mica sheet of thickness  and refractive index  is introduced in the path of the first wave. The wavelength of the wave used is . The central bright maximum will shift
a)	2 fringes upward	b)	2 fringes downward	c)	10 fringes upward	d)	None of these