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Q: What radiation has the weakest penetrating power?
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The radioactive emission with the weakest penetrating power is the?

alpha ray.


What is the connection between the ionising power of radiation and its penetrating power?

Low ionising power results from great penetrating power.


Which type of radiation has the has the greatest penetrating power?

Gamma Ray


Why is the alpha radiation the weakest?

Alpha radiation is not necessarily the "weakest" radiation. Alpha radiation is the emmanation of helium nuclei, which is two protons and two neutrons. As such, an alpha particle has a mass of 4 and a charge of +2. As a result, it interacts more readily than any of the other forms of radiation. This means that alpha can be stopped with a few inches or air, or even with a sheet of paper. That does not mean, however, that alpha is the least dangerous - if it is ingested, such as into the lungs, it will be in close proximity to sensitive tissues, making it one of the most dangerous forms of radiation. Its penetrating power is certainly the least, but, "weakest", not by a long shot.


What has the weakest penetrating powers with radioactive emission?

alpha


What is the weakest type of radiation?

Gamma radiation is the strongest, followed by beta, followed by alpha. So, in answer to your question; alpha is the weakest type of radiation :)


What radiation is most penetrating?

The gamma radiation is extremely penetrant.


What type of ionized radiation is the least penetrating?

Alpha radiation.


Is Ultraviolet radiation more penetrating than x-radiation?

No.


What is the correct decreasing penetrating power of alphabetagamma radiationbs?

Alpha being so massive penetrates with less power. Beta lighter yet massive has less penetrating power. But gamma being just a radiation/non-massive photon penetrates with highest power


Which type of radiation is most penetrating in solid substances?

Gamma radiation


What electromagnatic wave has a very high penetrating power it is emitted during the decay of many radioactive isotopes?

This is the gamma radiation.