Beta Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-1>Q 10

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The value of Planck's constant is $6.63 \times 10^{- 34} Js$ . The velocity of light is $3 \times 10^{8} m / \sec$ . Which value is closest to the wavelength in nanometer of a quantum of light with frequency of $8 \times 10^{15} \sec^{- 1}$ -

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Important Questions on Structure of Atom

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Beta Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-1>Q 12

What is likely to be principal quantum number for a circular orbit of diameter

20 nm

of the hydrogen atom if we assume Bohr orbit be the same as that represented by the principal quantum number?

HARD

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Beta Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-1>Q 13

Which is the correct relationship between energies of one electron species?

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Beta Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-1>Q 15

If velocity of an electron in

1^{st}

orbit of

H

atom is

V

, what will be the velocity of

3^{rd}

orbit of

{Li}^{+ 2}

-

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Beta Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-1>Q 20

The spectrum of

{He}^{+}

is expected to be similar to that of

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Beta Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-1>Q 32

In which transition, one quantum of energy is emitted?

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Beta Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-1>Q 33

Choose the correct relations on the basis of Bohr's theory.

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Beta Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-1>Q 34

The magnitude of the spin angular momentum of an electron is given by;

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Beta Question Bank for Engineering: Chemistry>Chapter 2 - Structure of Atom>EXERCISE-1>Q 35

The change in angular momentum corresponding to an electron in Balmer transition inside a hydrogen atom can be: