Exam-style question
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What is the significance of quantisation of charge observed in Millikan's experiment?.
- A.Charge can take any value.
- B.Charge is always negative.
- C.Charge exists in discrete amounts.
- D.Charge is proportional to mass.
Model answer
What a good answer should say
- Charge exists in discrete amounts.
Explanation
Why this works
The significance of quantisation of charge, as observed in Millikan's experiment, is that charge is not continuous but exists in discrete amounts, specifically as integer multiples of the elementary charge (the charge of an electron). This finding supports the concept of quantised charge in physics.
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