In a bibuism experiment the fringes are observed in a focal flame of eyepiece at a distance of Im slit. The distance between 10th bright band from central bright band is 0.22cm. When convex Pleng is interposed between bibrism and eyebjece at a distance of 25 cm from the slit, the distance belween magnified images of glit is found to be 0.98 cm. Find the wavelength of light used.
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