To determine the radius of curvature of a plano-convex lens using Newton's rings method-Observations

OBSERVATIONS:-

Sr. No.	No. of the ring	LHS			RHS			Dm (cm) (TR₁-TR₂)	(Dm)² (cm)²
Sr. No.	No. of the ring	MSR cm	VSD	TR₁ cm	MSR cm	VSD	TR₂ cm	Dm (cm) (TR₁-TR₂)	(Dm)² (cm)²
1 2 3 4 5	20 16 12 08 04							0.6864 0.6140 0.5317 0.4341 0.3070	0.4712 0.3770 0.2827 0.1885 0.0942