Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 62

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What is the ratio of speeds of electrons in $1^{st}$ orbit of $H -$ atom to $5^{th}$ orbit of ${He}^{+}$ ion?

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Important Questions on Structure of Atom

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 63

If the radius of

1^{st}

orbit of a hydrogen atom is

0.53 Å

, then the radius of

1^{st}

orbit of

{He}^{+}

is

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 64

If the velocity of the electron in the first orbit of

H -

atom is

2.18 \times 10^{6} m / s,

what is its value in the third orbit?

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 65

The difference in angular momentum associated with the electron in the two successive orbits of hydrogen atom is,

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 66

The angular momentum of an electron in a given orbit is

J

, its kinetic energy will be

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 67

The angular momentum in

2^{nd}

Bohr's orbit of

H -

atom is

x

. Then, the angular momentum of the electron in

1^{st}

excited state of

{Li}^{+ 2}

is

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 68

When an electron drops from a higher energy level to a low energy level, then

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 69

The maximum energy of an electron in an atom will be at

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 70

The ratio of the potential energy and total energy of an electron in a Bohr's orbit of a hydrogen-like species is