A lens has a power +1.5
d.Find the focal length of lens
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Focal length is inversly proportional
The P=1/F
1.5=1/F
F=(1/1.5) convrt this into cetimetres
F=1000/15
F=66.66 cm
Marked mine as brainliest
The P=1/F
1.5=1/F
F=(1/1.5) convrt this into cetimetres
F=1000/15
F=66.66 cm
Marked mine as brainliest
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