Has the highest penetrating power. Can penetrate our body. Even several em thick of lead or several meters thick of concrete cannot stop all of it. Gamma Alphe Beta

The correct answer is Gamma radiation.<br /><br />Gamma radiation has the highest penetrating power among the three types of radiation mentioned. It can penetrate the human body and even several centimeters of lead or several meters of concrete. Gamma rays are high-energy electromagnetic waves that can pass through most materials, including the human body, and cause damage to cells and DNA. They are commonly used in medical imaging and cancer treatment.