Forensic Medicine The principle of Pearson’s formula is to measure the length of long bone and multiply it with a given factor; for radius such factor is: Himachal 10 A 3.6 to 3.8 B 4.2 to 4.5 C 6.3 to 6.9 D 5.0 to 5.3 💡 Explanation The principle of Pearson's formula is to measure the length of long bone and multiply it with a given factor; for radius such factor is: Himachal 10 ✓ Correct Answer: C. 6.3 to 6.9