Question

Assertion: Rutherford’s model of atom was unstable. Reason: Charged electrons undergoing acceleration will lose energy and collapse in the nucleus.

i) Both A and R are true and R is correct explanation of the assertion.

ii) Both A and R are true but R is not the correct explanation of the assertion.

iii) A is true but R is false.

iv) A is false but R is true.
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Answer 1

Answer:

true

false

false

true is the right answer

Answer 2

Assertion: Rutherford used gold foil for his alpha particle scattering experiment. Reason: Alpha particles are fast moving positively charged particles.  Reason: Charged electrons undergoing acceleration will lose energy and collapse in the nucleus.