JEE Main c11atomicmodels — practice questions
16 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice JEE Main c11atomicmodels in the app →Per NCERT, the Thomson model of the atom is best described by which informal name?Per NCERT §2.2.2, in Rutherford's α-scattering on a gold foil, approximately how many α-particles bounced backPer NCERT, what comparative analogy does the textbook use to convey the relative sizes of the atom vs nucleus?Per NCERT, what was the MAJOR DRAWBACK of the Rutherford nuclear model?Per Bohr postulate (eqn 2.11), the angular momentum of an electron in the n-th allowed orbit is quantised as wPer Bohr's model (eqn 2.13), the energy of the electron in the n-th stationary state of the hydrogen atom is wPer NCERT, the radius of the first Bohr orbit of hydrogen (n = 1) — the Bohr radius a₀ — is approximately whicPer NCERT Problem 2.11, what is the energy of the first orbit of He⁺ (Z = 2, n = 1)?Per NCERT eqn 2.15, the radius of the n-th Bohr orbit for a hydrogen-like ion (one electron, atomic number Z) Per NCERT Table 2.3, in the hydrogen-atom spectrum the BALMER series corresponds to transitions ending in n₁ =Per NCERT eqn 2.9, the Rydberg formula for all spectral lines in hydrogen uses a constant value of approximatePer NCERT §2.4.2 (limitations), Bohr's model FAILED to explain which set of phenomena?The energy of the electron in the $n = 2$ orbit of hydrogen by Bohr's model is:A 3p orbital is specified by:The shape of a p-orbital is best described as:The electronic configuration of nitrogen ($Z = 7$) in the ground state is: