In Rutherford and Willard experiment, the rays were allowed to pass through an electric field as shown in the figure A. Choose the correct statements regarding this experiment.

Rays deviated towards negatively charged plate are alpha rays.

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Rays deviated towards positively charged plate are alpha rays.

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Rays deviated towards positively charged plate are beta rays.

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Rays which do not deviate at all are beta rays.

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Solution

The correct options are
A Rays deviated towards negatively charged plate are alpha rays.
C Rays deviated towards positively charged plate are beta rays.
Rutherford and Willard studied the radiation emitted by radioactive substances. It was found that the radiations are of three types.
- Alpha (α) rays deviate slightly toward negatively charged plate as they are positively charged.
- Beta (β) rays deviate towards the positively charged plate as they are negatively charged.
- Gamma ( $γ$ ) rays do not deviate in the electric field as they are electrically neutral in nature.

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