Per NCERT, the Thomson model of the atom is best described by which informal name?
AWave-cloud
BPlum-pudding / raisin-pudding / watermelon — positive sphere with electrons embedded
CProbability orbital
DSolar-system
Answer & Solution
Correct answer: B. Plum-pudding / raisin-pudding / watermelon — positive sphere with electrons embedded
Per NCERT §2.2.1, Thomson (1898) proposed a sphere of uniform positive charge with electrons embedded — known as plum-pudding / raisin-pudding / watermelon model.
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