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CBSE Class 10 Answered

From the chapter LIGHT-REFLECTION & REFRACTION
Asked by preemnath | 16 Aug, 2009, 11:41: PM
answered-by-expert Expert Answer

Pls. post each question seperately.

Q1) 1/f = 1/v + 1/u

Given, f = 10 cm, u = 15cm; putting these values in above formula, value of 'v' may be calculated.

then,

MAGNIFICATION = v / u = image size / object sixe

using above formula, magnification as well as size of image can be calculated.

Since the object is placed between f and 2f , image will be real, inverted , enlarged.

Answered by | 17 Aug, 2009, 07:05: PM

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