307189
An electron from one Bohr stationary orbit can go to next higher orbit
1 by emission of electromagnetic radiation.
2 by absorption of any electromagnetic radiation.
3 by absorption of electromagnetic radiation of particular frequency.
4 without emission or absorption of electromagnetic radiation.
Explanation:
Conceptual Questions
CHXI02:STRUCTURE OF ATOM
307190
The angular momentum of an electron present in the excited state of Hydrogen is \(\mathrm{\dfrac{1.5 \mathrm{~h}}{\pi}}\). The electron is present in
1 Third orbit
2 Second orbit
3 Fourth orbit
4 Fifth orbit
Explanation:
Angular momentum of electron \(\mathrm{=\dfrac{\mathrm{nh}}{2 \pi}=\dfrac{1.5 \mathrm{~h}}{\pi}}\) \(\mathrm{\therefore \mathrm{n}=3}\)
CHXI02:STRUCTURE OF ATOM
307191
Which one of the following is considered as the main postulate of Bohr's model of atom?
1 Protons are present in the nucleus
2 Electrons are revolving around the nucleus
3 Centrifugal force produced due to the revolving electrons balances the force of attraction between the electrons and the protons
4 Angular momentum of electron is an integral multiple of \(\dfrac{\mathrm{h}}{2 \pi}\).
Explanation:
Angular momentum of electrons is quantized and is an integral multiple of \(\dfrac{\mathrm{h}}{2 \pi}\left(\mathrm{mvr}=\dfrac{\mathrm{nh}}{2 \pi}\right)\)
307189
An electron from one Bohr stationary orbit can go to next higher orbit
1 by emission of electromagnetic radiation.
2 by absorption of any electromagnetic radiation.
3 by absorption of electromagnetic radiation of particular frequency.
4 without emission or absorption of electromagnetic radiation.
Explanation:
Conceptual Questions
CHXI02:STRUCTURE OF ATOM
307190
The angular momentum of an electron present in the excited state of Hydrogen is \(\mathrm{\dfrac{1.5 \mathrm{~h}}{\pi}}\). The electron is present in
1 Third orbit
2 Second orbit
3 Fourth orbit
4 Fifth orbit
Explanation:
Angular momentum of electron \(\mathrm{=\dfrac{\mathrm{nh}}{2 \pi}=\dfrac{1.5 \mathrm{~h}}{\pi}}\) \(\mathrm{\therefore \mathrm{n}=3}\)
CHXI02:STRUCTURE OF ATOM
307191
Which one of the following is considered as the main postulate of Bohr's model of atom?
1 Protons are present in the nucleus
2 Electrons are revolving around the nucleus
3 Centrifugal force produced due to the revolving electrons balances the force of attraction between the electrons and the protons
4 Angular momentum of electron is an integral multiple of \(\dfrac{\mathrm{h}}{2 \pi}\).
Explanation:
Angular momentum of electrons is quantized and is an integral multiple of \(\dfrac{\mathrm{h}}{2 \pi}\left(\mathrm{mvr}=\dfrac{\mathrm{nh}}{2 \pi}\right)\)
307189
An electron from one Bohr stationary orbit can go to next higher orbit
1 by emission of electromagnetic radiation.
2 by absorption of any electromagnetic radiation.
3 by absorption of electromagnetic radiation of particular frequency.
4 without emission or absorption of electromagnetic radiation.
Explanation:
Conceptual Questions
CHXI02:STRUCTURE OF ATOM
307190
The angular momentum of an electron present in the excited state of Hydrogen is \(\mathrm{\dfrac{1.5 \mathrm{~h}}{\pi}}\). The electron is present in
1 Third orbit
2 Second orbit
3 Fourth orbit
4 Fifth orbit
Explanation:
Angular momentum of electron \(\mathrm{=\dfrac{\mathrm{nh}}{2 \pi}=\dfrac{1.5 \mathrm{~h}}{\pi}}\) \(\mathrm{\therefore \mathrm{n}=3}\)
CHXI02:STRUCTURE OF ATOM
307191
Which one of the following is considered as the main postulate of Bohr's model of atom?
1 Protons are present in the nucleus
2 Electrons are revolving around the nucleus
3 Centrifugal force produced due to the revolving electrons balances the force of attraction between the electrons and the protons
4 Angular momentum of electron is an integral multiple of \(\dfrac{\mathrm{h}}{2 \pi}\).
Explanation:
Angular momentum of electrons is quantized and is an integral multiple of \(\dfrac{\mathrm{h}}{2 \pi}\left(\mathrm{mvr}=\dfrac{\mathrm{nh}}{2 \pi}\right)\)
307189
An electron from one Bohr stationary orbit can go to next higher orbit
1 by emission of electromagnetic radiation.
2 by absorption of any electromagnetic radiation.
3 by absorption of electromagnetic radiation of particular frequency.
4 without emission or absorption of electromagnetic radiation.
Explanation:
Conceptual Questions
CHXI02:STRUCTURE OF ATOM
307190
The angular momentum of an electron present in the excited state of Hydrogen is \(\mathrm{\dfrac{1.5 \mathrm{~h}}{\pi}}\). The electron is present in
1 Third orbit
2 Second orbit
3 Fourth orbit
4 Fifth orbit
Explanation:
Angular momentum of electron \(\mathrm{=\dfrac{\mathrm{nh}}{2 \pi}=\dfrac{1.5 \mathrm{~h}}{\pi}}\) \(\mathrm{\therefore \mathrm{n}=3}\)
CHXI02:STRUCTURE OF ATOM
307191
Which one of the following is considered as the main postulate of Bohr's model of atom?
1 Protons are present in the nucleus
2 Electrons are revolving around the nucleus
3 Centrifugal force produced due to the revolving electrons balances the force of attraction between the electrons and the protons
4 Angular momentum of electron is an integral multiple of \(\dfrac{\mathrm{h}}{2 \pi}\).
Explanation:
Angular momentum of electrons is quantized and is an integral multiple of \(\dfrac{\mathrm{h}}{2 \pi}\left(\mathrm{mvr}=\dfrac{\mathrm{nh}}{2 \pi}\right)\)
