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CBSE
Class 9
Science
Exploration
Journey Inside the Atom
Question Bank

What significant particle did ...

Single Answer MCQ
Q-00172015

What significant particle did J.J. Thomson discover?

1

Proton

2

Neutron

3

Electron

4

Atom

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Q1.

Who proposed the idea of indivisible particles called 'parmanus'?

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Q2.

What was the term used by Democritus to refer to indivisible particles?

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Q3.

Which scientist's atomic theory was based on experimental observations?

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Q4.

What model did Thomson propose to explain the structure of the atom?

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