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Explain why alpha and beta particles are...

Explain why alpha and beta particles are deflected in an electric or a megnetic field, but gamma rays are not deflected in such a field.
[Hint : alpha and beta particles are changed, but gamma rays are uncharged]

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ICSE-RADIOACTIVITY-EXERCISE-12(A)
  1. The diagram in Fig. shows a radioactive source S placed in a thick lea...

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  2. Fig. 12.8 shows a mixed source R of alpha and beta particles in a thic...

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  3. Explain why alpha and beta particles are deflected in an electric or a...

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  4. Explain why alpha and beta particles are deflected in an electric or a...

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  5. State following four properties each of alpha, beta and gamma radiatio...

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  6. Compare the ionising power of alpha, beta and gamma radiations.

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  7. State the speed of each of alpha, beta and gamma radiations.

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  8. (a) What is the composition of alpha, beta and gamma radiations? (b) C...

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  9. How are gamma radiations produced ? Mention two common properties of t...

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  10. An alpha-particle captures (i) one electron, (ii) two electrons. In ea...

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  11. Radioactivity is a nuclear phenomenon'. Comment on this statement.

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  12. What kind of change takes place in a nucleus when a gamma-particle is ...

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  13. A certain radioactive nucleus emits a particle that leaves its mass nu...

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  14. What happens to the (i) atomic number, (ii) mass number of the nucleus...

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  15. What happens to the position of an element in the periodic table when ...

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  16. What changes occur in the nucleus of a radioactive element when it emi...

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  17. An atomic nucleus A is composed of 84 protons and 128 neutrons. The nu...

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  18. A certain nucleus A ( mass number 238 and atomic number 92 ) is radioa...

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  19. State whether the following nuclear disintegrations are allowed or not...

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  20. A nucleus ""(11)^(24) Na is beta-radioactive. (a) What are the numb...

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