8) write Lenny makers formula and explain the
terms involved in the formula
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Lens maker formula is the formula for the manufacturer of lenses. ... this is the formula, f = focal length, 1/f = power of lens, R1 and R2 are radii of curvature. μ = refractive index of glass used. R1, R2 and f are quantities, positive in the direction of light rays.
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