Physical World
Radioactive substances emit $$\gamma$$ -rays which are:
DoubtBuddy
Single Choice
Alpha rays consist of a stream of:
AH+
BHe+2
Correct Answer
COnly electrons
DOnly neutrons
Solution
Alpha radiation consists of helium-4 nucleus and is readily stopped by a sheet of paper.
$$\alpha$$-rays consist of a stream of $$He^{2+}$$.
Hence, option B is correct.
SIMILAR QUESTIONS
Physical World
Which statement is incorrect?
Physical World
The velocity of $$\alpha$$ -rays is approximately:
Physical World
Which is the correct statement?
Physical World
$$\alpha$$ -rays have:
Physical World
Of the following radiations, the one most easily stopped by air is:
Physical World
Which has the least penetrating power?
Physical World
The charge exists on $$\gamma$$ -rays:
Physical World
Which of the following can be used to convert $$_7^{14}N$$ and $$_8^{17}O$$?
Physical World
The charge on gamma rays is:
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