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CBSE Class 10 Answered

pls solve
Asked by | 09 Jun, 2009, 02:10: PM
answered-by-expert Expert Answer

given that u = - 10 cm

f = 15 cm, v = ?

using mirror formula

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

1 / 15 = 1 / v - 1 / 10

1 / v = 1 / 15 + 1 / 10 = 5 / 30

v = 6 cm

since m = positive, therefore the image will be virtual and erect.

Answered by | 09 Jun, 2009, 04:41: PM

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