Lenses
Maharashtra Board · Class 10 · Science
All formulas from Lenses in Maharashtra Board Class 10 Science. Key equations, constants, and identities for board exam preparation.
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Formulas
1. Basic Lens Terms
Lens formula: 1/v - 1/u = 1/f
Magnification (heights): M = h2/h1
Magnification (distances): M = v/u
Power of a lens: P = 1/f(m)
Combination of lenses (focal length): 1/f = 1/f1 + 1/f2
3. Sign Convention and Numericals
Lens formula: 1/v - 1/u = 1/f
Magnification (heights): M = h2/h1
Magnification (distances): M = v/u
Power of a lens: P = 1/f(m)
Combination of lenses (power): P = P1 + P2
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