First analyze the force that is acting on each charge. The force is determined by the two. objects interacting. If you start with Case 1, the charges are q and 4 q with a separation of d. That means. the force is 4kqq/d2 .
DNA is the most powerful tool available for identification in forensic investigations. Because of its ability to link physical evidence found at a crime scene to a single person, it is often referred to as a âdigital fingerprint.â This method is so precise that it can ensure pinpoint accuracy, down to one in a billion.
DNA tests play an crucial role in research, and also to carry out different tasks pertaining to fields such as forensic science, genealogy, agriculture, medicine, etc. The abbreviation 'DNA' stands for deoxyribonucleic acid. It is an important component of body cells.