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Which of the following radiations suffer maximum deflection in a magnetic field? - Physics

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प्रश्न

Which of the following radiations suffer maximum deflection in a magnetic field?

विकल्प

  • Alpha radiations

  • Beta radiations

  • Gamma radiations

  • X-radiations

MCQ
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उत्तर

Beta radiations

Explanation:

They deflect most when the charge to mass density is lowest.

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संबंधित प्रश्न

A radioactive source emits three types of radiations.

Name the three radiations.


In following Figure shows a mixed source R of alpha and beta particles in a thick lead walled container. The particles pass through a magnetic field in a direction perpendicular to the plane of paper inwards as shown by ×.

  1. Show in the diagram how the particles get affected.
  2. Name the law used in part (a).

[Hint: Alpha particles will deflect to the left while beta particles to the right]


In following Figure shows a radioactive source S in a thick lead walled container having a narrow opening. The radiations pass through an electric field between the plates A and B.

  1. Complete the diagram to show the paths of α, β and γ radiations.
  2. Why is the source S kept in a thick lead walled container with a narrow opening?
  3. Name the radiation which is unaffected by the electrostatic field.
  4. Which radiation is defleced the most. Given reason.
  5. Which among the three radiations causes the least biological damage?

Explain why alpha and beta particles are deflected in an electric or a magnetic field, but gamma rays are not deflected in such a field.


Arrange the α, β, and γ radiation in ascending order of their biological damage. Give reason.


A radioactive substance emits radiations ______.


Compare the penetrating powers of α, β and γ-radiations.


Compare the ionising powers of α, β and γ radiations.


What are α-and β-radiations?


Which nuclear radiation will travel undeviated in an electric field?


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