CBSE Class 10 Answered
An object is placed before a concave lens of focal length 12cm. The size of the image formed by the lens is half the size of the object. Calculate the distance.
Asked by rana.vedant01 | 29 May, 2020, 04:18: PM
Expert Answer
f = - 12 cm (focal length of concave lens)
m = + 0.5 ...(image formed by concave lens is virtual, erect and diminished)
Thus, object distance is 12 cm to the left side of concave lens.
Answered by Shiwani Sawant | 29 May, 2020, 05:51: PM
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