Showing 961–976 of 6005 results

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  Phywe Magnifying glass
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  Phywe Measuring the velocity of light
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  Phywe Pinhole camera
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  Phywe Projected image with a concave mirror
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  Phywe Rectilinear propagation of light
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  Phywe Reflection by a concave mirror
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  Phywe Reflection by a plane mirror
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  Phywe Refraction at a prism
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  Phywe Reunification of spectral colours
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  Phywe Reversing prisms
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  Phywe Short-sightedness and its correction
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  Phywe Solar and lunar eclipses (with the earth-moon model)
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  Phywe Spherical aberration
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  Phywe Subtractive colour mixing
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  Phywe The Galilean telescope
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  Phywe Total reflection and the critical angle