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ICSE-RADIOACTIVITY-EXERCISE-12(A)
- State whether the following nuclear disintegrations are allowed or not...
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- A nucleus ""(11)^(24) Na is beta-radioactive. (a) What are the numb...
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- A nucleus of stable phosphorus has 15 protons and 16 neutrons. (a) W...
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- An element P disintegrates by alpha emission and the new element suffe...
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- A nucleus ""(Z)^(A) X emits 2 alpha particles and 1 beta particle to ...
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- Complete the following sentences : (a) The mass number and atomic nu...
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- Complete the following nuclear changes : (a) ""(x)^(a) P to Q +(-1)^...
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- Name one radio isotope and state its use.
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- Why are the alpha particles not used in radio therapy ? [Hint : alph...
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- Why do we usually use isotopes emitting gamma radiations as radioactiv...
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- When does the nucleus of an atom tend to be radioactive ?
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- Which of the following is the radio isotope in each pair (a) (b) and...
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- State the medical use of radioactivity.
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- Arrange the alpha, beta and gamma radiation in ascending order of thei...
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- Name two main sources of nuclear radiations. How are the nuclear radia...
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- State two safety measures to be taken while establishing a nuclear pow...
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- What is meant by nuclear waste ? State one way for the safe disposal o...
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- State three safety precautions that you would take while handling the ...
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- Why should a radioactive substance not be touched by hand ?
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- What do you mean by background radiations ? Name its two sources. Is i...
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