In a Newton's ring apparatus, a liquid of refractive index 1.45 is placed in between the plate and lens. If the initial diameter of 10th ring is 34.0mm, then the final diameter of the ring will be
A. 4.89 cm
B. 2.82 cm
C. 3.46 cm
D. 3.99 cm
A. 4.89 cm
B. 2.82 cm
C. 3.46 cm
D. 3.99 cm
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Answer:
I think the answer is A.
#there is an explanation but I forgot the formula
#auto correct if its wrong