What did Ernest Rutherford expect to happen when he aimed a beam of particles at a thin gold foil?
a The particles would deflect at sharp angles or completely back toward the emitter.
b The particles would pass through the foil undisturbed.
c The particles would deflect at right angles after hitting the foil.
d The particles would be deflected slightly after passing through the foil.
Answers
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Answer is : The particles would be deflected slightly after passing through the foil.
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When Ernest Rutherford aimed a beam of particles at a thin gold foil he expected that the particles would be deflected slightly after passing through the foil.
Explanation:
- Rutherford conducted an experiment based upon the consideration of the Thomson model of the atom.
- When the experiment was conducted the result observed was quite different from the expected result.
- The expected result was that Particles would slow down and change directions only by small angles as they passed through the foil.
- Most particles passed through the gold foil un-deflected, whereas only small fractions were deflected by small angles.
- Thus option d is considered as the correct answer for the given question.
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