Concave-Convex lens combination "not in contact* Distance of object from convex lens 1 (cm) Distance of first image from convex lens 1 (cm) Measured magnification of first image Distance of convex lens 1 from concave lens (cm) Distance of first image from the concave lens (cm) Distance of final image from the concave lens (cm) Calculated magnification of final image (compared to the -original object) Reduced/Magnified? Real/Virtual? Upright/Inverted? Experimental focal length of the concave lens (cm) Description of final image Theoretical focal length of the concave lens (cm) Percent Deviation (%) 13.3 16.5 -1.3 10 -6.5 10.5 2 Magnified Real Inverted -17 -15 17
Concave-Convex lens combination "not in contact* Distance of object from convex lens 1 (cm) Distance of first image from convex lens 1 (cm) Measured magnification of first image Distance of convex lens 1 from concave lens (cm) Distance of first image from the concave lens (cm) Distance of final image from the concave lens (cm) Calculated magnification of final image (compared to the -original object) Reduced/Magnified? Real/Virtual? Upright/Inverted? Experimental focal length of the concave lens (cm) Description of final image Theoretical focal length of the concave lens (cm) Percent Deviation (%) 13.3 16.5 -1.3 10 -6.5 10.5 2 Magnified Real Inverted -17 -15 17
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Question
Please compare the experimental values of the focal length of the concave lens from the two figures. Please calculate the relative deviation in focal lengtth with respect to the value obtained from the yellow table. Please explain how you got this value.
Transcribed Image Text:Concave-convex lens combination "in-contact
Distance of object from the lenses (cm)
Distance of image from the lenses (cm)
Equivalent focal length of the lenses (cm)
Calculated magnification of the image (compared to the
original object)
Measured magnification of final image (compared to the
original object)
Experimental focal length of the concave leas (cm)
Theoretical focal length of the concave lens (cm)
Percent Deviation (%)
30.8
21.5
12.63
-0.7
-0.778
-18
20.29
Transcribed Image Text:Concave-Convex lens combination "not in contact
Distance of object from convex lens 1 (cm)
Distance of first image from convex lens 1 (cm)
Measured magnification of first image
Distance of convex lens 1 from concave lens (cm)
Distance of first image from the concave lens (cm)
Distance of final image from the concave lens (cm)
Calculated magnification of final image (compared to the
original object)
Reduced/Magnified?
Real/Virtual?
Upright/Inverted?
Experimental focal length of the concave lens (cm)
Description of
final image
Theoretical focal length of the concave lens (cm)
Percent Deviation (%)
13.3
16.5
10
10.5
Magnified
Real
Inverted
-15
13.7
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