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Question
Nuclear theory of the atom was put forward by:
Nuclear theory of the atom was put forward by:
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Solution
The correct option is B Rutherford
Much of an atom's positive charge is concentrated in a relatively tiny volume at the centre of the atom, known today as the nucleus. The magnitude of this charge is proportional to (up to a charge number that can be approximately half of) the atom's atomic mass—the remaining mass is now known to be mostly attributed to neutrons.
This concentrated central mass and charge are responsible for deflecting both alpha and beta particles.
Hence, option A is correct.
Much of an atom's positive charge is concentrated in a relatively tiny volume at the centre of the atom, known today as the nucleus. The magnitude of this charge is proportional to (up to a charge number that can be approximately half of) the atom's atomic mass—the remaining mass is now known to be mostly attributed to neutrons.
This concentrated central mass and charge are responsible for deflecting both alpha and beta particles.
Hence, option A is correct.
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