write the lens formula and explain the terms in it
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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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Answer:
lens formula is
1/f=1/v-1/u
f means focal length
v means intial distance
u means object distance
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