Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 4>Q 36

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If the uncertainty in the position and momentum are equal, then the uncertainty in the velocity is

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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 4>Q 37

Which of the following determines the maximum number of electrons in the subshell of an atom?

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 4>Q 38

A photon of energy

4.4 \times 10^{- 19} J

collides with

A_{2}

molecule. If the bond energy of

A_{2}

is

4.0 \times 10^{- 19} J

, then the kinetic energy of

A

per atom will be

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 4>Q 39

Which of the following is not a permissible set of quantum numbers of electrons in an atom?

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 4>Q 40

A

0.66 kg

ball is moving with a speed of

100 m s^{- 1}

. The wavelength associated with the ball will be

(h = 6.6 \times 10^{- 34} J s)

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 4>Q 41

The total number of atomic orbitals in fourth energy level of an atom is

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 4>Q 42

The energies

E_{1}

and

E_{2}

of two radiations are

25 eV

and

50 eV

, respectively. The relation between their wavelengths i.e.,

λ_{1}

and

λ_{2}

will be:

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 4>Q 43

If

n = 6,

the correct sequence for filling of the electrons will be:

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 4>Q 44

As per the Bohr Theory, among the following, which transition in the hydrogen atom will give rise to the least energetic photon?