Statement 1 (S1): According to Bohr, M is the fourth shell of an atom.
Statement 2 (S2): While revolving around the nucleus, electrons do not radiate energy.

S1 is false but S2 is true

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Both the statements are true

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Both the statements are false

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S1 is true but S2 is false

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Solution

The correct option is A S1 is false but S2 is true
Option (b) is correct.

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Similar questions

Q. Statement 1 (S1): To overcome the drawbacks of Rutherford’s atomic model, Bohr suggested that electrons revolve around the nucleus in certain discrete orbits.
Statement 2 (S2): According to Bohr, the electrons do not radiate energy while revolving in discrete orbits.

Q. Which of the following statements is/are true with respect to Bohr's atomic model?
I. An atom is a positively charged sphere.
II. Electrons revolve around the nucleus in discrete orbits.
III. Electrons do not radiate energy while revolving around the nucleus.

Q. Statement 1 (S1): Bohr postulated that both the electrons and protons are distributed in different shells around the nucleus. Statement 2 (S2): The energy shells are often referred as energy levels.

According to bohr's model of an atom, electron revolves around the nucleus in the fixed orbits called stationary states or energy shells. Electron does not emit nor absorb energy when it revolves. WHY IS IT SO?

Bohr argued that Rutherford's model would be highly unstable because according to him (bohr) if an electron revolves continously it would be subjected to accelaration. Thus, electron will continously emit radiation and fall in the nucleus. But when electron revolves around the nucleus in Bohr's model it also changes its energy shells, then why the bohr's model is not unstable?

Q. According to Bohr, the ______ do not radiate energy while revolving in discrete orbits.

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Statement 1 (S1): According to Bohr, M is the fourth shell of an atom. Statement 2 (S2): While revolving around the nucleus, electrons do not radiate energy.

The correct option is A S1 is false but S2 is trueOption (b) is correct.

Statement 1 (S1): According to Bohr, M is the fourth shell of an atom.
Statement 2 (S2): While revolving around the nucleus, electrons do not radiate energy.

The correct option is A S1 is false but S2 is true
Option (b) is correct.