IGCSE /Grade 10
Science MCQ Based On Ray diagrams for single lens
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IGCSE Grade 10 Science Ray diagrams for single lens
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We can use the lens formula-
1/F=1/V-1/U
Remember the signs for the focal length of Convex and concave lenses.
Which lens makes the images of objects smaller?
Remember the properties of convex and concave lenses.
If the object is kept at 2F then the image will form at 2F.
The incident rays are parallel and emergent rays are diverging.
The device here means the lens or the mirror.
When a point source of light is at the focus, then emergent rays of light make a parallel beam of light.
A magnifying glass makes images of objects large.
Reflectors of headlights and searchlights are in the shape of a concave mirrors.
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