IGCSE /Grade 10
Science MCQ Based On Principal focus and focal length
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IGCSE Grade 10 Science Principal focus and focal length
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Concave lens diverges
It is a characteristic property of the mirror and determines how the mirror reflects light.
2F=30
Meet after the reflection.
Lens
1/f=1/v +1/u
Distance between focus and pole
power
The focal length is the distance between the lens and the focal point.
Parallel to the principal axis.
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