Question

In Newton's Ring experiment , the radius of dark ring is *
1 point
Directly proportional to ring number
Inversly proportional to ring number
Directly proportional to square root of ring number
Inversly proportional to square root of ring number

Answer 1

Answer:

In Newton's experiment the radii of the mth and (m+4)th dark rings are respectively 5 mm and 7 mm.