You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which of the following investigation work on the same principle? and explain in detail?
Principle of: CT :Linear attenuation ofXrays Xray:Xrays (Fluoroscopy also works on the principal of Xrays) MRI: Gyromagnetic propey of H+ USG: Pulse-Echo Principle with Piezoelectric effect PET scan: Annihilation and coincidence imagine, gamma rays -511 key HIDA Scan: Radioisotope scintigraphy, gamma rays.