Real image (such as the images on the right), real rays of light are always represented by full, solid lines; perceived or extrapolated rays of light are represented by dashed lines. A real image occurs where rays converge, whereas a virtual image occurs where rays only "appear" to converge. Real images can be produced by concave mirrors and converging lenses, only if the object is placed further away from the mirror/lens than the focal point and this real image is inverted. As the object approaches the focal point the image approaches infinity, and when the object passes the focal point the image
Concave cake for the term "concave cakes" rose overnight. Although concave cake had previously garnered attention in Japan, the popularity of the cakes and its franchise shop skyrocketed in Taiwan and mainland China. There have been several shops in Taiwan advertising themselves as “authentic” concave cake. Celebrities and television programs have lauded the concave cake. In the most popular Taiwanese variety-comedy talk show, Kangxi Lai Le, concave cake was introduced on June 16, 2013. The host Dee Shu and Kevin Tsai recommended and praised the taste of the cake, creating a trend among the Taiwanese public. , a Taiwanese comedian, once exaggerated