The relationship between energy of a radiation and its frequency was given by

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The relationship between energy of a radiation and its frequency was given by

A. Planck

B. Rutherford

C. Einstein

D. Joule

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Davisson and Germer gave an experimental evidence for

A. wave nature of electron

B. particle nature of electron

C. particle nature of light

D. wave nature of light

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The number of neutrons present in ${}_{19}^{39}K$ are

A. 28

B. 39

C. 20

D. 19

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When the electron is excited from K level to M level we get

A. $γ$ - rays

B. cathode rays

C. continuous spectra

D. absorption spectra

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Frequency of the wave having wave number $20000 c m^{- 1}$ is

A. $6 \times 10^{12} s e c^{- 1}$

B. $6 \times 10^{14} s e c^{- 1}$

C. $3 \times 10^{14} M H z$

D. $4 \times 10^{6} H z$

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The angular momentum of the moving electron is equal to

A. $\sqrt{n h}$

B. $\frac{h^{2}}{2 π}$

C. $\frac{n h}{π}$

D. $\frac{n h}{2 π}$

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In the nucleus of ${}_{20}C a^{40}$ there are

A. 40 protons and 20 electrons

B. 20 protons and 40 electrons

C. 20 protons and 40 neutrons

D. 20 protons and 20 neutrons

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The number of unpaired electrons in the ground state of chromium is

A. 1

B. 6

C. 7

D. 2

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Which elements is represented by the following electronic configuration?

A. Nitrogen

B. Oxygen

C. Fluorine

D. Neon

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Bohr's concept of the orbit in an atom was contradicted by

A. de Broglie relationship

B. Uncertainty principle

C. Planck's hypothesis

D. Hund's rule

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The wavelength of an electron

A. is equal to that of light

B. remains constant with velocity

C. decreases with an increasing velocity

D. increases with an decreasing velocity

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The exchange of particles considered responsible for keeping the nucleons together are

A. meson

B. electron

C. positron

D. neutron

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Isotopes have different

A. arrangement of electrons

B. no. of P and e'

C. no. of neutrons

D. no. of electrons

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Charge on an electron was shown by

A. J. J. Thomson

B. Kirchoff

C. Ohm

D. M.Planck

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The correct set of quantum numbers for the impaired electron of fluorine atom is

A.

n	l	m
2	1	0

B.

n	l	m
2	1	1

C.

n	l	m
3	1	1

D.

n	l	m
3	0	0

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Mass of positron is the same to that of

A. proton

B. meson

C. electron

D. neutron

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Wave number is defined as

A. $\frac{3}{λ}$

B. $\frac{λ^{2}}{n π}$

C. $\frac{h}{2 π}$

D. $\frac{1}{λ}$

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The maximum number of electrons in a sub-energy level is equal to

A. $4 (2 l + 1)$

B. $2 (2 l + 1)$

C. $2 n^{2}$

D. $n^{3}$

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The atomic structure of an atom of an element is Is $1 s^{2}, 2 s^{2} 2 p^{6}, 3 s^{2} 3 p^{6}$ . The element is

A. Cl-35

B. S-32

C. N-18

D. O-16

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The charge on an atom of ${}_{13}^{27}A l$ is

A. +40

B. +27

C. +14

D. Zero

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The ion that is isoelectronic with CO is

A. $C N^{-}$

B. ${O_{2}}^{+}$

C. ${O_{2}}^{-}$

D. ${N_{2}}^{+}$

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The interrelationship between matter and energy was given by

A. Rutherford

B. Joule

C. de Broglie

D. Einstein

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Which of the following has the highest mass?

A. Neutron

B. Alpha particle

C. Electron

D. Deuterium

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In Lyman series an electron jumps from higher energy level to

A. K energy level

B. M energy level

C. N energy level

D. L energy level

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$β$ rays are a stream of

A. He

B. electrons

C. positron

D. neutrons

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The corect set of quantum numbers for the impaired electron of fluorine atom is

A.

n	l	m
2	1	0

B.

n	l	m
2	1	1

C.

n	l	m
3	1	1

D.

n	l	m
3	0	0

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The number of neutrons in the deuterium atom is

A. 16

B. 3

C. 1

D. 0

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Which of the following atoms has a non-spherical outermost orbital.

A. H

B. Li

C. Be

D. B

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For a given energy level the number of orbitals is equal to

A. $n^{2}$

B. $2 l + 1$

C. $4 (2 l + 3)$

D. $\sqrt{2 n^{3}}$

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No two electrons in an atom can have the same values of all four quantum numbers according to

A. Hund's rules

B. Flemming rule

C. Pauli's exclusion principle

D. Bohr theory

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The orbitals with maximum number of possible orientation is:

A. s

B. d

C. f

D. p

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Accepted Answer

C. Einstein

The relationship between energy of a radiation and its frequency was given by

Correct Answer :

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Related Questions

Davisson and Germer gave an experimental evidence for

The number of neutrons present in ${}_{19}^{39}K$ are

When the electron is excited from K level to M level we get

Frequency of the wave having wave number $20000 c m^{- 1}$ is

The angular momentum of the moving electron is equal to

In the nucleus of ${}_{20}C a^{40}$ there are

The number of unpaired electrons in the ground state of chromium is

Which elements is represented by the following electronic configuration?

Bohr's concept of the orbit in an atom was contradicted by

The wavelength of an electron

The exchange of particles considered responsible for keeping the nucleons together are

Isotopes have different

Charge on an electron was shown by

The correct set of quantum numbers for the impaired electron of fluorine atom is

Mass of positron is the same to that of

Wave number is defined as

The maximum number of electrons in a sub-energy level is equal to

The atomic structure of an atom of an element is Is $1 s^{2}, 2 s^{2} 2 p^{6}, 3 s^{2} 3 p^{6}$ . The element is

The charge on an atom of ${}_{13}^{27}A l$ is

The ion that is isoelectronic with CO is

The interrelationship between matter and energy was given by

Which of the following has the highest mass?

In Lyman series an electron jumps from higher energy level to

$β$ rays are a stream of

The corect set of quantum numbers for the impaired electron of fluorine atom is

The number of neutrons in the deuterium atom is

Which of the following atoms has a non-spherical outermost orbital.

For a given energy level the number of orbitals is equal to

No two electrons in an atom can have the same values of all four quantum numbers according to

The orbitals with maximum number of possible orientation is:

Also checkout

The relationship between energy of a radiation and its frequency was given by

Correct Answer :

Show all Atomic Structure MCQ

Related Questions

Davisson and Germer gave an experimental evidence for

The number of neutrons present in K1939 are

When the electron is excited from K level to M level we get

Frequency of the wave having wave number 20000 cm-1 is

The angular momentum of the moving electron is equal to

In the nucleus of C20a40 there are

The number of unpaired electrons in the ground state of chromium is

Which elements is represented by the following electronic configuration?

Bohr's concept of the orbit in an atom was contradicted by

The wavelength of an electron

The exchange of particles considered responsible for keeping the nucleons together are

Isotopes have different

Charge on an electron was shown by

The correct set of quantum numbers for the impaired electron of fluorine atom is

Mass of positron is the same to that of

Wave number is defined as

The maximum number of electrons in a sub-energy level is equal to

The atomic structure of an atom of an element is Is 1s2, 2s22p6, 3s23p6. The element is

The charge on an atom of A1327l is

The ion that is isoelectronic with CO is

The interrelationship between matter and energy was given by

Which of the following has the highest mass?

In Lyman series an electron jumps from higher energy level to

β rays are a stream of

The corect set of quantum numbers for the impaired electron of fluorine atom is

The number of neutrons in the deuterium atom is

Which of the following atoms has a non-spherical outermost orbital.

For a given energy level the number of orbitals is equal to

No two electrons in an atom can have the same values of all four quantum numbers according to

The orbitals with maximum number of possible orientation is:

Also checkout

The number of neutrons present in ${}_{19}^{39}K$ are

Frequency of the wave having wave number $20000 c m^{- 1}$ is

In the nucleus of ${}_{20}C a^{40}$ there are

The atomic structure of an atom of an element is Is $1 s^{2}, 2 s^{2} 2 p^{6}, 3 s^{2} 3 p^{6}$ . The element is

The charge on an atom of ${}_{13}^{27}A l$ is

$β$ rays are a stream of