an object 2.0 cm high Is kept at distance of 16 cm from a concave mirror which produces a real Image 3.0 cm high
1. what is the focal length of the mirror
2. find the position of the image
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an object 2.0 cm high Is kept at distance of 16 cm from a concave mirror which produces a real Image 3.0 cm high
1. what is the focal length of the mirror
2. find the position of the image
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Answer:
-6.4cm
Explanation:
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height of the object, h1 = 2 cm
height of the image, h2 = -3 cm
object distance, u = -16cm
image distance = v
magnification =
⇒
⇒(-16)*(-3)=2*(-v)(−16)∗(−3)=2∗(−v)
⇒v = -
=−24cm
From mirror formula
=−9.6cm
So focal length is 9.6cm and image distance is 24cm(to the left of mirror)