The wavelength of an electron moving with a velocity $5 \times 10^{5} m s e c^{- 1} i s (h = 6.63 \times 10^{- 34} k g m^{2} s e c^{- 1})$

Question

The wavelength of an electron moving with a velocity $5 \times 10^{5} m s e c^{- 1} i s (h = 6.63 \times 10^{- 34} k g m^{2} s e c^{- 1})$

A. $11.6 \times 10^{- 5} m$

B. $11.6 \times 10^{- 9} m^{- 1}$

C. $14.6 \times 10^{- 5} m$

D. $1.46 \times 10^{- 9} m$

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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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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 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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If value of h is taken as $10^{- 34} k g m^{2} s e c^{- 1}$ , the de-Broglie wavelength of a particle of mass $10^{- 31}$ having velocity $10^{9} c m s e c^{- 1}$ is

A. 0.01 m

B. 2 nm

C. 0.1 nm

D. $15 Å$

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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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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 number of unpaired electrons in fluorine atoms is/are

A. 4

B. 2

C. 1

D. 0

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Argon is isoelectronic with

A. $M g^{+ +}$

B. $C l^{-}$

C. $B r^{-}$

D. $H^{+}$

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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 interrelationship between matter and energy was given by

A. Rutherford

B. Joule

C. de Broglie

D. Einstein

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In an atom of hydrogen, which of the following orbitais has the lowest energy for an electron present in it?

A. 3r

B. 2p

C. 4p

D. 2s

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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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The orbitals with maximum number of possible orientation is:

A. s

B. d

C. f

D. p

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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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Charge on an electron was shown by

A. J. J. Thomson

B. Kirchoff

C. Ohm

D. M.Planck

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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 wavelength of an electron moving with a velocity $5 \times 10^{5} m s e c^{- 1} i s (h = 6.63 \times 10^{- 34} k g m^{2} s e c^{- 1})$

A. $11.6 \times 10^{- 5} m$

B. $11.6 \times 10^{- 9} m^{- 1}$

C. $14.6 \times 10^{- 5} m$

D. $1.46 \times 10^{- 9} m$

Discuss this answer

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

A. 1

B. 6

C. 7

D. 2

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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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Electronic configuration of $C u^{+}$ is

A. $[A r] 3 d^{9}$

B. $[A r] 3 d^{10}$

C. $[A r] 3 d^{9} 3 s^{2}$

D. $[A r] 3 d^{7} 4 s^{1} 4 p^{1}$

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Which of the following weighs the least?

A. 1 g of $C O_{2}$

B. 2 litres of $C O_{2}$ at N.T.P.

C. $3.01 \times 10^{11}$ molecules of $C O_{2}$

D. $3.01 \times 10^{22}$ atoms of carbon

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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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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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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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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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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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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 ion that is isoelectronic with CO is

A. $C N^{-}$

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

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

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

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The number of neutrons in the deuterium atom is

A. 16

B. 3

C. 1

D. 0

Discuss this answer

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

A. H

B. Li

C. Be

D. B

Discuss this answer

Accepted Answer

D.

1.46 \times 10^{- 9} m

The wavelength of an electron moving with a velocity $5 \times 10^{5} m s e c^{- 1} i s (h = 6.63 \times 10^{- 34} k g m^{2} s e c^{- 1})$

Correct Answer :

Show all Atomic Structure MCQ

Related Questions

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

The velocity of a photon is

The wavelength of an electron

If value of h is taken as $10^{- 34} k g m^{2} s e c^{- 1}$ , the de-Broglie wavelength of a particle of mass $10^{- 31}$ having velocity $10^{9} c m s e c^{- 1}$ is

Which of the following has the highest mass?

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

The number of unpaired electrons in fluorine atoms is/are

Argon is isoelectronic with

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

The interrelationship between matter and energy was given by

In an atom of hydrogen, which of the following orbitais has the lowest energy for an electron present in it?

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

The orbitals with maximum number of possible orientation is:

Mass of positron is the same to that of

Charge on an electron was shown by

Charge on fundamental particle neutrino is

The wavelength of an electron moving with a velocity $5 \times 10^{5} m s e c^{- 1} i s (h = 6.63 \times 10^{- 34} k g m^{2} s e c^{- 1})$

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

In Lyman series an electron jumps from higher energy level to

Electronic configuration of $C u^{+}$ is

Which of the following weighs the least?

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

Wave number is defined as

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

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

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

The angular momentum of the moving electron is equal to

The ion that is isoelectronic with CO is

The number of neutrons in the deuterium atom is

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

Also checkout

The wavelength of an electron moving with a velocity 5×105m sec-1 is (h=6.63 ×10-34 kg m2 sec-1)

Correct Answer :

Show all Atomic Structure MCQ

Related Questions

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

The velocity of a photon is

The wavelength of an electron

If value of h is taken as 10-34 kg m2 sec-1, the de-Broglie wavelength of a particle of mass 10-31 having velocity 109cm sec-1 is

Which of the following has the highest mass?

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

The number of unpaired electrons in fluorine atoms is/are

Argon is isoelectronic with

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

The interrelationship between matter and energy was given by

In an atom of hydrogen, which of the following orbitais has the lowest energy for an electron present in it?

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

The orbitals with maximum number of possible orientation is:

Mass of positron is the same to that of

Charge on an electron was shown by

Charge on fundamental particle neutrino is

The wavelength of an electron moving with a velocity 5×105m sec-1 is (h=6.63 ×10-34 kg m2 sec-1)

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

In Lyman series an electron jumps from higher energy level to

Electronic configuration of Cu+ is

Which of the following weighs the least?

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

Wave number is defined as

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

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

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

The angular momentum of the moving electron is equal to

The ion that is isoelectronic with CO is

The number of neutrons in the deuterium atom is

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

Also checkout

The wavelength of an electron moving with a velocity $5 \times 10^{5} m s e c^{- 1} i s (h = 6.63 \times 10^{- 34} k g m^{2} s e c^{- 1})$

If value of h is taken as $10^{- 34} k g m^{2} s e c^{- 1}$ , the de-Broglie wavelength of a particle of mass $10^{- 31}$ having velocity $10^{9} c m s e c^{- 1}$ is

The wavelength of an electron moving with a velocity $5 \times 10^{5} m s e c^{- 1} i s (h = 6.63 \times 10^{- 34} k g m^{2} s e c^{- 1})$

Electronic configuration of $C u^{+}$ 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