<prompt> Faded tattoo mark can be visualized by?Ultraviolet raysSpectrophotometerOrdinary lightX-ray  <response>: Ans. is a i.e., Ultraviolet rays Latent tattoo marks faded marks can be visualized by:-o Use of ultraviolet light o Infrared photograpyo Rubbing the part and examining under magnifying glasso If tattoo marks are obscured by decomposition they can be visualized by treating with 3 H2O2.o Tattoo marks can be developed by treating the skin by 0.5 caustic potash.o Histopathology of local lymph nodes for pigment. 