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If the height of the object in the previous problem is1.2 cm, what will be the height of the image? |
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Answer» Explanation: Given :- h
=1.2m f=−20cm ν=−60cm from mirror FORMULA,
v 1
+ u 1
= f 1
−60 1
+ u 1
= −20 1
u 1
= 60 1
− 20 1
= 60 −2
u=−30cm
Magnification, m= u −v
= −30 −(−60)
=−2 m= h 0
h i
=−2 h i
=−2×1.2=−2.4m
h i
=−2.4m
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