Shake Hands with Yourself
★ Dimensions: Transport dimensions: 540×440×640mm, Display dimensions: 540×440×1450mm. ★ Composition: Consists of an ABS plastic molded cabinet, ABS plastic molded base, ABS milky white plastic molded operating surface with color silk-screened flip-up instruction board, concave mirror, and bracket. ★ Scientific Principle: Spherical mirror imaging principle. Imaging at different optical axis positions can be observed. When the object distance is less than the focal length, an upright, magnified virtual image is formed; the closer the object is to the mirror, the smaller the image. When the object distance equals one focal length, no image is formed; when the object distance is between one and two focal lengths, an inverted, magnified real image is formed; when the object distance equals two focal lengths, an inverted real image of the same size is formed. Therefore, when the hand is placed at twice the focal length on the optical axis, its image coincides with the hand, as if shaking hands with oneself. ★ Operation: The visitor extends their hand toward the center of curvature of the concave spherical mirror and observes what wonderful phenomenon occurs.
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- China Science and Technology Museum Standard Edition CSTM Standard Edition★ Dimensions: Transport dimensions: 540×440×640mm, Display dimensions: 540×440×1450mm. ★ Composition: Consists of an ABS plastic molded cabinet, ABS plastic molded base, ABS milky white plastic molded operating surface with color silk-screened flip-up instruction board, concave mirror, and bracket. ★ Scientific Principle: Spherical mirror imaging principle. Imaging at different optical axis positions can be observed. When the object distance is less than the focal length, an upright, magnified virtual image is formed; the closer the object is to the mirror, the smaller the image. When the object distance equals one focal length, no image is formed; when the object distance is between one and two focal lengths, an inverted, magnified real image is formed; when the object distance equals two focal lengths, an inverted real image of the same size is formed. Therefore, when the hand is placed at twice the focal length on the optical axis, its image coincides with the hand, as if shaking hands with oneself. ★ Operation: The visitor extends their hand toward the center of curvature of the concave spherical mirror and observes what wonderful phenomenon occurs.
★ Dimensions: Transport dimensions: 540×440×640mm, Display dimensions: 540×440×1450mm. ★ Composition: Consists of an ABS plastic molded cabinet, ABS plastic molded base, ABS milky white plastic molded operating surface with color silk-screened flip-up instruction board, concave mirror, and bracket. ★ Scientific Principle: Spherical mirror imaging principle. Imaging at different optical axis positions can be observed. When the object distance is less than the focal length, an upright, magnified virtual image is formed; the closer the object is to the mirror, the smaller the image. When the object distance equals one focal length, no image is formed; when the object distance is between one and two focal lengths, an inverted, magnified real image is formed; when the object distance equals two focal lengths, an inverted real image of the same size is formed. Therefore, when the hand is placed at twice the focal length on the optical axis, its image coincides with the hand, as if shaking hands with oneself. ★ Operation: The visitor extends their hand toward the center of curvature of the concave spherical mirror and observes what wonderful phenomenon occurs.
- Optimized Popular Edition Optimized Edition★ Dimensions: Transport dimensions: 540×440×640mm, Display dimensions: 540×440×1450mm. ★ Composition: Consists of an ABS plastic molded cabinet, ABS plastic molded base, ABS milky white plastic molded operating surface with color silk-screened flip-up instruction board, concave mirror, and bracket. ★ Scientific Principle: Spherical mirror imaging principle. Imaging at different optical axis positions can be observed. When the object distance is less than the focal length, an upright, magnified virtual image is formed; the closer the object is to the mirror, the smaller the image. When the object distance equals one focal length, no image is formed; when the object distance is between one and two focal lengths, an inverted, magnified real image is formed; when the object distance equals two focal lengths, an inverted real image of the same size is formed. Therefore, when the hand is placed at twice the focal length on the optical axis, its image coincides with the hand, as if shaking hands with oneself. ★ Operation: The visitor extends their hand toward the center of curvature of the concave spherical mirror and observes what wonderful phenomenon occurs.
★ Dimensions: Transport dimensions: 540×440×640mm, Display dimensions: 540×440×1450mm. ★ Composition: Consists of an ABS plastic molded cabinet, ABS plastic molded base, ABS milky white plastic molded operating surface with color silk-screened flip-up instruction board, concave mirror, and bracket. ★ Scientific Principle: Spherical mirror imaging principle. Imaging at different optical axis positions can be observed. When the object distance is less than the focal length, an upright, magnified virtual image is formed; the closer the object is to the mirror, the smaller the image. When the object distance equals one focal length, no image is formed; when the object distance is between one and two focal lengths, an inverted, magnified real image is formed; when the object distance equals two focal lengths, an inverted real image of the same size is formed. Therefore, when the hand is placed at twice the focal length on the optical axis, its image coincides with the hand, as if shaking hands with oneself. ★ Operation: The visitor extends their hand toward the center of curvature of the concave spherical mirror and observes what wonderful phenomenon occurs.