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Alpha radiation is stopped easily by thin substances such as a sheet of paper or the skin. It is because of this that alpha radiation is generally non-harmful to humans.
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∙ 13y ago
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What can alpha particles can pass through?
Alpha particles can pass through very few substances. It can travel in air but has a range of only a few centimetres.
What happened to the alpha particles as they hit the gold foil?
They stop.
What definition is closest in meaning to the word penetrate in the sentence The deep sea divers kept warm by wearing suits that water could not penetrate?
"Penetrate" in this sentence means "pass through" as in "pass through a barrier", as the suit created a barrier through which no water could pass. It also has the meaning of "enter through an orifice", as there were no holes in the suit through which the water could enter.
What is the bending of waves as they move around a barrier or pass through an opening called?
Diffraction
Why the alpha particles pass through the foil unaffected?
its in your 9th std science book guide
Can alpha pass through paper?
No
Why does alpha pass through some materials and not others?
Alpha particles can pass through very few materials. The spacing between nuclei of the material would have to be enormous for an alpha particle to pass through. The passage of alpha particles simply depends on the density of the material.
What can alpha particles can pass through?
Alpha particles can pass through very few substances. It can travel in air but has a range of only a few centimetres.
Can alpha particles pass through the human body?
No
Can nicotine pass through the blood brain barrier?
yes
What are the only things that can pass through the blood brain barrier?
sledgehammer
What happened to the alpha particles as they hit the gold foil?
They stop.
What definition is closest in meaning to the word penetrate in the sentence The deep sea divers kept warm by wearing suits that water could not penetrate?
"Penetrate" in this sentence means "pass through" as in "pass through a barrier", as the suit created a barrier through which no water could pass. It also has the meaning of "enter through an orifice", as there were no holes in the suit through which the water could enter.
Can heavy metals pass through the placental barrier?
Most probably they will pass that way. They are toxic to the mother and foetus as well.
What is the bending of waves as they move around a barrier or pass through an opening called?
Diffraction
What does permeable meen?
It's a barrier that allows certain things to pass through it ie. water
Why is alveoli a component of the air blood barrier?
es air pass through on its way to the alveoli
