Numerical on refraction

Asked by  | 27th May, 2008, 06:38: PM

Expert Answer:

focal length, f = +10 cm; image distance, v = +12 cm (because real image forms on the wall)

You can calculate the object distance by using lens formula: 1/f = 1/v - 1/u


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Answered by  | 28th May, 2008, 09:26: AM

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