In a biprism experimentn the distance be...

In a biprism experimentn the distance between slite and epepiece is 1m. If the convex lens is interposed at a distance of 30 cm from the slit, then the size of the magnified image is `0.7` mm. The distance between the two virtual images of the slits will be

1 mm

2 mm

3 mm

4 mm

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