33. (i) A convex lens made of a material of refractive index nz is kept in a


33. (i) A convex lens made of a material of refractive index nz is kept in a medium of refractive
index ni. A parallel beam of light is incident on the lens. Draw the path of rays of lightemerging from the convex lens, if(a) ni < n2(b) n = n2(ii) If the magnification of the image formed by a mirror is negative, then what does itmean?​


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