An electron collides with a fixed hydrogen atom in its ground state. Hydrogen atom gets excited and the colliding electron loses all its kinetic energ

An electron collides with a fixed hydrogen atom in its ground state. Hydrogen atom gets excited and the colliding electron loses all its kinetic energ
by

1 Answer

Answer :

An electron collides with a fixed hydrogen atom in its ground state. Hydrogen atom gets excited and the colliding ... eV C. 12.1 eV D. 13.6 eV
by

Related questions

An electron , in a hydrogen-like atom, is in excited state. It has a total energy of -3.4 eV. Calculate (a) the kinetic energy and (b) the de Broglie

Description : An electron , in a hydrogen-like atom, is in excited state. It has a total energy of -3.4 eV. Calculate (a) the kinetic energy and (b) the de Broglie

Last Answer : An electron , in a hydrogen-like atom, is in excited state. It has a total energy of -3.4 ... and (b) the de Broglie wavelength of the electron.

The energy required to excite an electron from the ground state of hydrogen atom to the first excited state, is

Description : The energy required to excite an electron from the ground state of hydrogen atom to the first excited state, is

Last Answer : The energy required to excite an electron from the ground state of hydrogen atom to the first excited state, is A. ... 10.2 eV C. 0.85 eV D. 12.75eV

An alpha particle colliding with an electron loses: w) none of its energy x) little of its energy y) half of its energy z) all of its energy

Description : An alpha particle colliding with an electron loses: w) none of its energy x) little of its energy y) half of its energy z) all of its energy

Last Answer : ANSWER: X -- LITTLE OF ITS ENERGY

The total energy of the electron in the hydrogen atom in the ground state is -13.6 eV. Which of the following is its kinetic energy in the first excit

Description : The total energy of the electron in the hydrogen atom in the ground state is -13.6 eV. Which of the following is its kinetic energy in the first excit

Last Answer : The total energy of the electron in the hydrogen atom in the ground state is -13.6 eV. Which of the following is its ... 6.8 eV C. 3.4 eV D. 1.825 eV

The 1936 Nobel Prize in chemistry was awarded to Peter J.W. Debye for his studies of: w) kinetic energy of colliding particles x) electron configuration y) dipole moments z) conformations of cyclohexane

Description : The 1936 Nobel Prize in chemistry was awarded to Peter J.W. Debye for his studies of: w) kinetic energy of colliding particles x) electron configuration y) dipole moments z) conformations of cyclohexane

Last Answer : ANSWER: Y -- DIPOLE MOMENTS

Hydrogen atom electron is excited to n = 4 state , in the spectrum of emitted radiation , number of lines in the ultravoilet and visible regions are r

Description : Hydrogen atom electron is excited to n = 4 state , in the spectrum of emitted radiation , number of lines in the ultravoilet and visible regions are r

Last Answer : Hydrogen atom electron is excited to n = 4 state , in the spectrum of emitted radiation , number of lines in the ... 1 , 3 C. 2 , 3 D. 3 , 2

An electron in an excited hydrogen atom acquired an energy of 12.1 eV. To what energy level did it jump? How many spectral lines may be emitted in the

Description : An electron in an excited hydrogen atom acquired an energy of 12.1 eV. To what energy level did it jump? How many spectral lines may be emitted in the

Last Answer : An electron in an excited hydrogen atom acquired an energy of 12.1 eV. To what ... to lower energy level? Calculate the corresponding wavelengths.

The ratio of energy of the electron in ground state of hydrogen to the electron in first excited state of `Be^(3+)` is

Description : The ratio of energy of the electron in ground state of hydrogen to the electron in first excited state of `Be^(3+)` is

Last Answer : The ratio of energy of the electron in ground state of hydrogen to the electron in first excited state of `Be^(3+)` is ... 8` C. `1 : 16` D. `16 : 1`

Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be - (1) 2 (2) 6 (3) 5 (4) 3

Description : Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be - (1) 2 (2) 6 (3) 5 (4) 3

Last Answer : (2) 6 Explanation: Number of spectral lines from a state n to ground state is = n (n-1)/2 =4(4-1)/2 =12/2 =6

A hydrogen atom moving at speed `v` collides with another hydrogen atom kept at rest .Find the minimum value of `v` for which one of the atoms may get

Description : A hydrogen atom moving at speed `v` collides with another hydrogen atom kept at rest .Find the minimum value of `v` for which one of the atoms may get

Last Answer : A hydrogen atom moving at speed `v` collides with another hydrogen atom kept at rest .Find the minimum value ... hydrogen atom `= 1.67 xx 10^(-27)kg`

Find the temperature at which the everage thermal kinetic energy is equal to the energy needed to take a hydrogen atom from its ground state `n = 3` s

Description : Find the temperature at which the everage thermal kinetic energy is equal to the energy needed to take a hydrogen atom from its ground state `n = 3` s

Last Answer : Find the temperature at which the everage thermal kinetic energy is equal to the energy ... hydrogen that hydrogen molecules dissociate into atoms

The minimum kinetic energy of a ground state hydrogen atom required to have head-on collision with another ground state hydrogen atom but at rest to p

Description : The minimum kinetic energy of a ground state hydrogen atom required to have head-on collision with another ground state hydrogen atom but at rest to p

Last Answer : The minimum kinetic energy of a ground state hydrogen atom required to have head-on collision with another ... at rest to produce a photon is given by

Find the binding energy of an electron in the ground state of a hydrogen like atom in whose spectrum the third Balmer line is equal to 108.5 mm.

Description : Find the binding energy of an electron in the ground state of a hydrogen like atom in whose spectrum the third Balmer line is equal to 108.5 mm.

Last Answer : Find the binding energy of an electron in the ground state of a hydrogen like atom in whose spectrum the third Balmer line is equal to 108.5 mm.

The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is?

Description : The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is?

Last Answer : 5x/36

In elastic collisions, A. only the total momentum of the colliding objects is conserved. B. only the total kinetic energy is conserved. C. both of the momentum and total kinetic energy are conserved. D. neither momentum of the colliding bodies nor the total kinetic energy are recoverable.

Description : In elastic collisions, A. only the total momentum of the colliding objects is conserved. B. only the total kinetic energy is conserved. C. both of the momentum and total kinetic energy ... D. neither momentum of the colliding bodies nor the total kinetic energy are recoverable.

Last Answer : both of the momentum and total kinetic energy are conserved.

During an INELASTIC collision, the colliding bodies w) lose kinetic energy x) keep the same amount of kinetic energy y) gains kinetic energy z) first lose, then gain kinetic energy

Description : During an INELASTIC collision, the colliding bodies w) lose kinetic energy x) keep the same amount of kinetic energy y) gains kinetic energy z) first lose, then gain kinetic energy

Last Answer : ANSWER: W -- LOSE KINETIC ENERGY

A moving neutron collides with a stationary α-particle. The fraction of the kinetic energy lost by the neutron is – (1) ¼ (2) 1/16 (3) 9/25 (4) 16/25

Description : A moving neutron collides with a stationary α-particle. The fraction of the kinetic energy lost by the neutron is – (1) ¼ (2) 1/16 (3) 9/25 (4) 16/25

Last Answer : (4) 16/25

A moving neutron collides with a stationary a – particle. The fraction of the kinetic energy lost by the neutron is

Description : A moving neutron collides with a stationary a – particle. The fraction of the kinetic energy lost by the neutron is

Last Answer : 16/25

What do you think happened to the size of an atom when the atom loses an electron?

Description : What do you think happened to the size of an atom when the atom loses an electron?

Last Answer : The atom would stay the same size because it would still have the same amount of energy levels. The mass of the atom would be slightly less though.No, an atom shrinks when loosing an electron.There ... by the same number of protons ('+'charges) in nucleus, so the atraction per electron is stronger.

When an atom gains or loses a valence electron it becomes a charged particle call a?

Description : When an atom gains or loses a valence electron it becomes a charged particle call a?

Last Answer : Ion.

When Helium atom Loses electron, then it becomes

Description : When Helium atom Loses electron, then it becomes

Last Answer : Positive Helium ion

When Helium atom Loses electron, then it becomes

Description : When Helium atom Loses electron, then it becomes

Last Answer : Positive Helium ion

Find the number of unpaired electron in the fully excited xenon atom.

Description : Find the number of unpaired electron in the fully excited xenon atom.

Last Answer : Find the number of unpaired electron in the fully excited xenon atom.

Which one of the following statements is WRONG? (A) A singlet or triplet state may result when one of the electrons from the HOMO is excited to higher energy levels (B) In an excited singlet state, the spin of the electron in the higher energy orbital is paired with the electron in the ground state orbital (C) Triplet excited state is more stable than the singlet excited state (D) When the electron from the singlet excited state returns to ground state, the molecule always shows fluorescence phenomenon

Description : Which one of the following statements is WRONG? (A) A singlet or triplet state may result when one of the electrons from the HOMO is excited to higher energy levels (B) In an ... the electron from the singlet excited state returns to ground state, the molecule always shows fluorescence phenomenon

Last Answer : (C) Triplet excited state is more stable than the singlet excited state

In the Compton effect, a photon of wavelength l (read: lambdw) collides with a stationary electron. The wavelength of the emitted photon is: w) longer than l x) shorter than l y) the same as l z) no photon is emitted

Description : In the Compton effect, a photon of wavelength l (read: lambdw) collides with a stationary electron. The wavelength of the emitted photon is: w) longer than l x) shorter than l y) the same as l z) no photon is emitted

Last Answer : ANSWER: W -- LONGER THAN l

An x-ray photon collides with a free electron, and the photon is scattered. During this collision there is conservation of: w) momentum but not energy x) neither momentum nor energy y) energy but not momentum z) both momentum and energy

Description : An x-ray photon collides with a free electron, and the photon is scattered. During this collision there is conservation of: w) momentum but not energy x) neither momentum nor energy y) energy but not momentum z) both momentum and energy

Last Answer : ANSWER: Z -- BOTH MOMENTUM AND ENERGY 

A hydrogen like atom (atomic number `z`) is in a higher excited state of quantum number `n`. This excited atom can make a transition to the first exci

Description : A hydrogen like atom (atomic number `z`) is in a higher excited state of quantum number `n`. This excited atom can make a transition to the first exci

Last Answer : A hydrogen like atom (atomic number `z`) is in a higher excited state of quantum number `n`. This ... eV` respectively. Determine the value of `(n+z)`

A hydrogen like atom (atomic number Z) is in a higher excited state of quantum number n. The excited atom can make a transition to the first excited s

Description : A hydrogen like atom (atomic number Z) is in a higher excited state of quantum number n. The excited atom can make a transition to the first excited s

Last Answer : A hydrogen like atom (atomic number Z) is in a higher excited state of quantum number n. The excited ... . (lonization energy of H-atom = 13.6 eV)

Consider a hydrogen-like atom whose energy in nth excited state is given by `E_(n) = (13.6 Z^(2))/(n^(2))` When this excited makes a transition from e

Description : Consider a hydrogen-like atom whose energy in nth excited state is given by `E_(n) = (13.6 Z^(2))/(n^(2))` When this excited makes a transition from e

Last Answer : Consider a hydrogen-like atom whose energy in nth excited state is given by `E_(n) = (13. ... number of atom and the intial state or excitation.

A hydrogen atom in a having a binding of `0.85eV`makes transition to a state with excited energy `10.2eV`(a) identify the quantum number n of theupper

Description : A hydrogen atom in a having a binding of `0.85eV`makes transition to a state with excited energy `10.2eV`(a) identify the quantum number n of theupper

Last Answer : A hydrogen atom in a having a binding of `0.85eV`makes transition to a state with excited ... (b) Find the wavelength of the emitted radiation

A hydrogen like atom with atomic number Z is in an excited state of quantum number 2n. It can emit a maximum energy photon of 204 eV. If it makes a tr

Description : A hydrogen like atom with atomic number Z is in an excited state of quantum number 2n. It can emit a maximum energy photon of 204 eV. If it makes a tr

Last Answer : A hydrogen like atom with atomic number Z is in an excited state of quantum number 2n. It can emit a ... state energy of hydrogen atom is - 13. 6 eV.

The incident photon absorbed by an atom in the ground state E1, thereby leaving the atom in the excited state E2 , is a) spontaneous absorption b) stimulated absorption c) induced absorption d) both b & c

Description : The incident photon absorbed by an atom in the ground state E1, thereby leaving the atom in the excited state E2 , is a) spontaneous absorption b) stimulated absorption c) induced absorption d) both b & c

Last Answer : d) both b & c

An electron in an atom jumps in such a way that its kinetic energy changes from x to `x/4`. The change in potential energy will be:

Description : An electron in an atom jumps in such a way that its kinetic energy changes from x to `x/4`. The change in potential energy will be:

Last Answer : An electron in an atom jumps in such a way that its kinetic energy changes from x to `x/4`. The change in potential ... `+(3)/(4)x` D. `-(3)/(4)x`

A gas of identical hydrogen-like atoms has some atoms in the lowest in lower (ground) energy level `A` and some atoms in a partical upper (excited) en

Description : A gas of identical hydrogen-like atoms has some atoms in the lowest in lower (ground) energy level `A` and some atoms in a partical upper (excited) en

Last Answer : A gas of identical hydrogen-like atoms has some atoms in the lowest in lower (ground) energy ... and the minimum energies of the emitted photons.

A gas of identical hydrogen-like atoms has some atoms in the lowest in lower (ground) energy level `A` and some atoms in a partical upper (excited) en

Description : A gas of identical hydrogen-like atoms has some atoms in the lowest in lower (ground) energy level `A` and some atoms in a partical upper (excited) en

Last Answer : A gas of identical hydrogen-like atoms has some atoms in the lowest in lower (ground) energy ... and the minimum energies of the emitted photons.

When the electron of a hydrogen atom jumps from the n=4 to the n=1 state , the number of all pos - sible spectral lines emitted is :-

Description : When the electron of a hydrogen atom jumps from the n=4 to the n=1 state , the number of all pos - sible spectral lines emitted is :-

Last Answer : When the electron of a hydrogen atom jumps from the n=4 to the n=1 state , the number of all pos - sible spectral ... is :- A. 15 B. 6 C. 3 D. 4

The ionisation potential of hydrogen atom is `13.6` volt. The energy required to remove an electron in the `n = 2` state of the hydrogen atom is

Description : The ionisation potential of hydrogen atom is `13.6` volt. The energy required to remove an electron in the `n = 2` state of the hydrogen atom is

Last Answer : The ionisation potential of hydrogen atom is `13.6` volt. The energy required to remove an electron in the `n = 2` ... . 13.6 eV C. 6.8 eV D. 3.4 eV

If the total energy of an electron in a hydrogen atom in an exicted state is -3.4 eV , then the de- broglie wavelegth of the electron is :-

Description : If the total energy of an electron in a hydrogen atom in an exicted state is -3.4 eV , then the de- broglie wavelegth of the electron is :-

Last Answer : If the total energy of an electron in a hydrogen atom in an exicted state is -3.4 eV , then the de- broglie ... `5xx10^(-9)m` D. `9.3xx10^(-12)m`

Which of the following statements is TRUE about an ELASTIC collision between two particles? Is it true that: w) neither particle loses any of its kinetic energy x) neither particle loses any of its momentum y) the velocity gained by one particle is equal to that lost by the other z) the total kinetic energy before and after the collision remains constant

Description : Which of the following statements is TRUE about an ELASTIC collision between two particles? Is it true that: w) neither particle loses any of its kinetic energy x) neither particle loses any of ... that lost by the other z) the total kinetic energy before and after the collision remains constant

Last Answer : ANSWER: Z -- THE TOTAL KINETIC ENERGY BEFORE AND AFTER THE COLLISION RE

Reaction between X and Y forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z? A) Has high melting point B) Has low melting point C) Conducts electricity in molten state D) Occurs as solid

Description : Reaction between X and Y forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z? A) Has high melting point B) Has low melting point C) Conducts electricity in molten state D) Occurs as solid

Last Answer : B) Has low melting point

How many times lighter is an electron than an atom of hydrogen ?

Description : How many times lighter is an electron than an atom of hydrogen ?

Last Answer : An electron is 1638 times lighter than a hydrogen atom.

The average current due to an electron orbiting the proton in the `n^(th)` Bohr orbit of the hydrogen atom is

Description : The average current due to an electron orbiting the proton in the `n^(th)` Bohr orbit of the hydrogen atom is

Last Answer : The average current due to an electron orbiting the proton in the `n^(th)` Bohr orbit of the hydrogen atom ... `propn^3` C. `propb` D. none of these

The angular momentum J of the electron in a hydrogen atom is proportional to `n^(th)` power of r (radius of the orbit) where n is :-

Description : The angular momentum J of the electron in a hydrogen atom is proportional to `n^(th)` power of r (radius of the orbit) where n is :-

Last Answer : The angular momentum J of the electron in a hydrogen atom is proportional to `n^(th)` power of r (radius of the orbit ... B. `-1` C. `(1)/(2)` D. None

A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength of the radiation to excite the electron in `Li^(++)`from

Description : A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength of the radiation to excite the electron in `Li^(++)`from

Last Answer : A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength ... the emission spectrum of the above excited system ?

In a hydrogen like ionized atom a single electron is orbiting around the stationary positive charge. If a spectral line of `lambda` equal to `4861Å` i

Description : In a hydrogen like ionized atom a single electron is orbiting around the stationary positive charge. If a spectral line of `lambda` equal to `4861Å` i

Last Answer : In a hydrogen like ionized atom a single electron is orbiting around the stationary positive charge. If a ... to `n=6` and also identify the element.

A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength of the radiation to excite the electron in `Li^(++)`from

Description : A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength of the radiation to excite the electron in `Li^(++)`from

Last Answer : A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength ... the emission spectrum of the above excited system ?

In a hydrogen atom, the electron makes about `0.6xx10^(16)` revolutions per second around the nucleus. Determine the average current at any point on t

Description : In a hydrogen atom, the electron makes about `0.6xx10^(16)` revolutions per second around the nucleus. Determine the average current at any point on t

Last Answer : In a hydrogen atom, the electron makes about `0.6xx10^(16)` revolutions per second around the nucleus. ... at any point on the orbit of the electron.

A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength of the radiation to excite the electron in `Li^(++)`from

Description : A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength of the radiation to excite the electron in `Li^(++)`from

Last Answer : A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength ... the emission spectrum of the above excited system ?

In hydrogen atom, the electron is making `6.6xx10^(15) rev//sec` around the nucleus in an orbit of radius `0.528 A`. The magnetic moment `(A-m^(2)) wi

Description : In hydrogen atom, the electron is making `6.6xx10^(15) rev//sec` around the nucleus in an orbit of radius `0.528 A`. The magnetic moment `(A-m^(2)) wi

Last Answer : In hydrogen atom, the electron is making `6.6xx10^(15) rev//sec` around the nucleus in an orbit of radius `0. ... ` C. `1xx10^(-23)` D. `1xx10^(-27)`

In hydrogen atom, an electron is revolving in the orbit of radius `0.53 Å` with `6.6xx10^(15) rotations//second`. Magnetic field produced at the centr

Description : In hydrogen atom, an electron is revolving in the orbit of radius `0.53 Å` with `6.6xx10^(15) rotations//second`. Magnetic field produced at the centr

Last Answer : In hydrogen atom, an electron is revolving in the orbit of radius `0.53 Å` with `6.6xx10^(15) rotations//second`. ... 5 Wb//m^(2)` D. `125 Wb/m^(2)`