CBSE Class 10 Answered
An object is placed in front of a concave mirror of focal length 30 cm. The virtual image of the object is obtained at a distance 20 cm from the mirror. Calculate the position of the object.
Please explain briefly step by step
Asked by chpratik11 | 28 Jun, 2019, 09:22: PM
Focal length f=-30cm
Image distance v=20cm
object distance u=?
According to mirror formula

the object is placed at a distance of 12cm from the mirror.
Answered by Utkarsh Lokhande | 29 Jun, 2019, 07:51: AM
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