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In Bohr's atom model,...

In Bohr's atom model,

A

the nucleuss is of infinite mass and is at rest

B

electrons in a quanitsed orbit will not radiate energy

C

mass of electron remains constant

D

All the above conditions

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To answer the question regarding Bohr's atomic model, we need to identify which of the given statements is a postulate of Bohr's model. Let's analyze each statement step by step: 1. **Statement Analysis**: - **Statement 1**: "The nucleus is of infinite mass and is at rest." - This statement is not a postulate of Bohr's model. While Bohr assumed the nucleus to be much more massive than the electron, he did not state that the nucleus has infinite mass. - **Statement 2**: "Electrons in quantized orbits will not irradiate energy." - This statement is indeed a postulate of Bohr's model. Bohr proposed that electrons in certain stable orbits do not emit radiation, which means they do not lose energy while in these orbits. - **Statement 3**: "Mass of the electron remains constant." - While the mass of the electron is constant, this is not a specific postulate of Bohr's atomic model. It is a general property of electrons and does not pertain to the behavior of electrons in atomic orbits as described by Bohr. 2. **Conclusion**: - The only statement that accurately reflects a postulate of Bohr's atomic model is: "Electrons in quantized orbits will not irradiate energy." ### Final Answer: The correct postulate of Bohr's atomic model is: **"Electrons in quantized orbits will not irradiate energy."**
To answer the question regarding Bohr's atomic model, we need to identify which of the given statements is a postulate of Bohr's model. Let's analyze each statement step by step: 1. **Statement Analysis**: - **Statement 1**: "The nucleus is of infinite mass and is at rest." - This statement is not a postulate of Bohr's model. While Bohr assumed the nucleus to be much more massive than the electron, he did not state that the nucleus has infinite mass. - **Statement 2**: "Electrons in quantized orbits will not irradiate energy." - This statement is indeed a postulate of Bohr's model. Bohr proposed that electrons in certain stable orbits do not emit radiation, which means they do not lose energy while in these orbits. ...
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