Science, asked by karishmakathe53, 10 months ago

Plano convex lens of Glass has radius of curvature 30cm if the class has refractive index of 1.6 find the focal length of the lens​

Answers

Answered by vijayvargiyaguddu
0

Radius of curvature = 30cm

F=R/2

F=30/2

F=15cm

Refractive index doesn't matter in focal lenght

Answered by syedzaid01
2
Radius of curvature
R.I =1.6 : f = ?
From lens makes formula
1/f = (x-1) (1/R ,1/R)
1/f =(1.6-1)(1/3)-(1/3)
1/f=0.6 (1/30)
F = 50
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