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ICSE-RADIOACTIVITY-EXERCISE-12(A)
- What is the name given to elements with same mass number and different...
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- Name the atoms of a substance having same atomic number, but different...
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- What is meant by Radioactivity ?
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- A radioactive substance is oxidised. What changes would you expect to ...
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- A radioactive source emits three type of radiations. (a) Name the th...
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- Answer the following questions. (a) Name the radiation of zero mass....
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- The diagram in Fig. shows a radioactive source S placed in a thick lea...
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- Fig. 12.8 shows a mixed source R of alpha and beta particles in a thic...
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- Explain why alpha and beta particles are deflected in an electric or a...
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- Explain why alpha and beta particles are deflected in an electric or a...
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- State following four properties each of alpha, beta and gamma radiatio...
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- Compare the ionising power of alpha, beta and gamma radiations.
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- State the speed of each of alpha, beta and gamma radiations.
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- (a) What is the composition of alpha, beta and gamma radiations? (b) C...
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- How are gamma radiations produced ? Mention two common properties of t...
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- An alpha-particle captures (i) one electron, (ii) two electrons. In ea...
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- Radioactivity is a nuclear phenomenon'. Comment on this statement.
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- What kind of change takes place in a nucleus when a gamma-particle is ...
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- A certain radioactive nucleus emits a particle that leaves its mass nu...
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- What happens to the (i) atomic number, (ii) mass number of the nucleus...
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