New code found within the second beta version of iOS 4.3 suggests the second-generation iPad will sport a one megapixel rear-facing camera. 9 to 5 Mac reports that code describing a “Back Facing 1MP Photo” sensor has been discovered inside a folder named “K94,” which the sources have identified as the codename for the iPad 2. The report claims that the front-facing camera will be of VGA quality, matching those found in other…