In the case of atomic spectrum of hydrogen which series of lines lie in the visible region?

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In the case of atomic spectrum of hydrogen which series of lines lie in the visible region?

A. Balmer

B. Paschen

C. Pfund

D. None of these

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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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The fundamental particle that has least mass is

A. meson

B. alpha-particle

C. electron

D. neutron

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A dipositive ion $Z^{+ +}$ has $2 e^{-}$ in the K shell, 8 e~ s in the L shell and $8 e^{-}$ in the M shell. Atomic number of Z is

A. 19

B. 20

C. 16

D. 15

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

A. H

B. Li

C. Be

D. B

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Isotones have same

A. mass number

B. nuclear mass

C. no. of neutrons

D. no. of electrons

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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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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 atomic number of an element having the valence shell electronic configuration $4 s^{2} 4 p^{6}$ is

A. 35

B. 26

C. 23

D. 34

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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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The orbitals with maximum number of possible orientation is:

A. s

B. d

C. f

D. p

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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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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 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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Among the following ions, which are has the highest paramagnetism?

A. $[C r (H_{2} O)_{6}]^{+ 3}$

B. $[F e (H_{2} O)_{6}]^{+ 2}$

C. $[C u (H_{2} O)_{6}]^{+ 2}$

D. $[Z n (H_{2} O)_{6}]^{+ 2}$

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

A. meson

B. electron

C. positron

D. neutron

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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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Cathode rays contain a stream of

A. $n$

B. $r$

C. ${}_{+ 1}e^{0}$

D. ${}_{- 1}e^{0}$

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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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Charge on fundamental particle neutrino is

A. 0

B. +1

C. -1

D. None of these

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The size of nucleus is

A. $10^{- 12} m$

B. $10^{- 8} m$

C. $10^{- 15} m$

D. $10^{- 10} m$

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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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The velocity of a photon is

A. dependent on its wavelength

B. dependent on its source

C. equal to cube of its amplitude

D. independent of its wavelength

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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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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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Mass of positron is the same to that of

A. proton

B. meson

C. electron

D. neutron

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The maximum number of electrons that can be accommodated by an atom in g-sub-energy level are

A. 20

B. 25

C. 18

D. 12

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Accepted Answer

B. Paschen

In the case of atomic spectrum of hydrogen which series of lines lie in the visible region?

Correct Answer :

Show all Atomic Structure MCQ

Related Questions

Which elements is represented by the following electronic configuration?

The fundamental particle that has least mass is

A dipositive ion $Z^{+ +}$ has $2 e^{-}$ in the K shell, 8 e~ s in the L shell and $8 e^{-}$ in the M shell. Atomic number of Z is

Which of the following has the highest mass?

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

Isotones have same

The wavelength of an electron

Davisson and Germer gave an experimental evidence for

The atomic number of an element having the valence shell electronic configuration $4 s^{2} 4 p^{6}$ is

In Lyman series an electron jumps from higher energy level to

The orbitals with maximum number of possible orientation is:

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

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

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

Among the following ions, which are has the highest paramagnetism?

Charge on an electron was shown by

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

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

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

The ion that is isoelectronic with CO is

Cathode rays contain a stream of

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

Charge on fundamental particle neutrino is

The size of nucleus is

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

The velocity of a photon is

The angular momentum of the moving electron is equal to

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

Mass of positron is the same to that of

The maximum number of electrons that can be accommodated by an atom in g-sub-energy level are

Also checkout

In the case of atomic spectrum of hydrogen which series of lines lie in the visible region?

Correct Answer :

Show all Atomic Structure MCQ

Related Questions

Which elements is represented by the following electronic configuration?

The fundamental particle that has least mass is

A dipositive ion Z++ has 2e- in the K shell, 8 e~ s in the L shell and 8e- in the M shell. Atomic number of Z is

Which of the following has the highest mass?

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

Isotones have same

The wavelength of an electron

Davisson and Germer gave an experimental evidence for

The atomic number of an element having the valence shell electronic configuration 4s24p6 is

In Lyman series an electron jumps from higher energy level to

The orbitals with maximum number of possible orientation is:

In the nucleus of C20a40 there are

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

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

Among the following ions, which are has the highest paramagnetism?

Charge on an electron was shown by

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

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

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

The ion that is isoelectronic with CO is

Cathode rays contain a stream of

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

Charge on fundamental particle neutrino is

The size of nucleus is

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

The velocity of a photon is

The angular momentum of the moving electron is equal to

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

Mass of positron is the same to that of

The maximum number of electrons that can be accommodated by an atom in g-sub-energy level are

Also checkout

A dipositive ion $Z^{+ +}$ has $2 e^{-}$ in the K shell, 8 e~ s in the L shell and $8 e^{-}$ in the M shell. Atomic number of Z is

The atomic number of an element having the valence shell electronic configuration $4 s^{2} 4 p^{6}$ is

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