Question

Assertion. According to Thomson model of atom, mass of the atom is concentrated in the centre of the atom.
Reason. According to Thomson model, positive charge is concentrated in the centre of the atom
A. If both assertion and reason are true, and reason is the true explanation of the arrertion
B. If both assertion and reason are true, but reason is not the true explanation of the assertional
C. If assertion is true, but reason is false
D. If both assertion and reason are false

Answer 1

Correct Answer - D
Correct A. According to Thomson model of atom, mass of the atom is uniformly distributed over the atom.
Correct R. According to Thomosn model, positive charge is uniformly distributed over the atom.