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:

1 Answer

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`

Related questions

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

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

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.

Description : If energy of incident photon is greater than the rest mass energy of electron positron pair, the surplus energy is shared by the pair as, a) Potential energy b) Thermal energy c) Electronic energy d) Kinetic energy

Last Answer : d) Kinetic energy

Description : 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

Last 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

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

Description : The energy released when an extra electron is added to a neutral gaseous atom is called (a) Bond energy (b) Electron affinity (c) Ionization potential (d) Electronegativity

Last Answer : Ans:(b)

Description : In any atom the potential energy of an orbiting electron is   (A) always positive (B) always negative (C) sometime positive, sometime negative (D) numerically less then its kinetic energy.

Last Answer : In any atom the potential energy of an orbiting electron is always negative 

Description : An electron jumps in to the next lower orbit when loses what?

Last Answer : Answer: One quantum of energy.

Description : What form of energy refers to those a system possesses as a whole with respect to some outside reference frame, such as potential and kinetic energies?  A. Macroscopic form of energy  B. Microscopic form of energy  C. Internal energy  D. External energy

Last Answer : Macroscopic form of energy

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

Description : When a liquid is at its boiling point, no temperature change takes place due to heating. The energy supplied due to heating (a) Is used up to increase the potential energy of the liquid molecules (b ... c) Is used up to increase the kinetic energy and potential energy of the molecules (d) Is wasted

Last Answer : Ans:(a)

Description : The rate of change of linear momentum of a body falling freely under gravity is equal to it's (1) Kinetic Energy (2) Weight (3) Potential Energy (4) Impulse

Last Answer : (2) Weight Explanation: Rate of change of impulse equals the force. In case of freely falling body the only force is the weight.

Description : In which form is the supplied heat energy stored during change in temperature of substance? (1) Heat energy (2) Kinetic energy (3) Potential energy (4) Both kinetic and potential energy

Last Answer : (2) Kinetic energy Explanation: Temperature is used as a measure for heat in an object by measuring the amount of kinetic energy in the molecules that make up the object. It is a measure of the average ... from the heat source to the molecules, and it can also change its form from heat to movement.

Description : In which form is the supplied heat energy stored during change in temperature of substance? (1) Heat energy (2) Kinetic energy (3) Potential energy (4) Both kinetic and potential energy

Last Answer : Kinetic energy

Description : What is the energy that can be caused by changes such as fusion or fission in the nucleus of an atom?

Last Answer : This energy is called nuclear energy.

Description : A block of wood initially at rest slides down an inclined plane. Neglecting friction, the kinetic energy of the block at the bottom of the plane is: w) all converted into heat x) equal to its ... kinetic energy at the top of the plane z) dependant on the materials of which the block is made 

Last Answer : ANSWER: X -- EQUAL TO ITS POTENTIAL ENERGY (WITH RESPECT TO THE BOTTOM OF PLANE) WHEN IT WAS AT THE TOP OF THE PLANE.

Description : The temperature of a gas measures the: w) number of calories of heat present x) average kinetic energy of the particles in the gas y) exact number of particles in the gas z) potential energy of the gas

Last Answer : ANSWER: X -- AVERAGE KINETIC ENERGY OF THE PARTICLES IN THE GAS 

Description : Energy stored in a body as thermal or internal energy consists of one of the following. Does it consist of: w) heat in the form of radiant energy x) molecular kinetic energy only y) molecular potential energy only z) both kinetic and potential energy

Last Answer : ANSWER: Z -- BOTH KINETIC AND POTENTIAL ENERGY

Description : In any collision, which of the following is conserved: w) kinetic energy x) velocity y) momentum z) potential energy

Last Answer : ANSWER: Y -- MOMENTUM

Description : When the velocity of an object is tripled, another quantity which is tripled at the same time is the object's: w) momentum x) potential energy y) kinetic energy z) mass

Last Answer : ANSWER: W -- MOMENTUM

Description : According to the kinetic theory, the Kelvin temperature of an ideal gas is proportional to which one of the following. Is the temperature proportional to the gas's average molecular: w) velocity x) momentum y) kinetic energy z) potential energy

Last Answer : ANSWER: Y -- KINETIC ENERGY

Description : The relationship between kinetic energy and the potential energy of a swinging pendulum bob is one of the following. Is it: w) kinetic energy is greater than potential energy x) kinetic ... kinetic energy is equal to potential energy z) kinetic energy plus potential energy equals a constant  

Last Answer : ANSWER: Z -- KINETIC ENERGY PLUS POTENTIAL ENERGY EQUALS A CONSTANT 

Description : When a charge moves through an electric circuit in the direction of an electric force it does one of the following four things. Does it: w) lose potential energy and gain kinetic energy x) ... lose kinetic energy y) lose both potential and kinetic energy z) gain both potential and kinetic energy

Last Answer : ANSWER: W -- LOSE POTENTIAL ENERGY AND GAIN KINETIC ENERGY

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

Description : When an electronl beam passes through and electric field they gain kinetic energy. If the same electron beam passes through a magnetic field then thei

Last Answer : When an electronl beam passes through and electric field they gain kinetic energy. If the same ... C. momentum increases D. kinetic energy increases

Description : The following particles move with same kinetic energy. Which of them has maximum momentum? (1) Electron (2) Proton (3) Deutron (4) Alpha Particle

Last Answer : (4) Alpha Particle Explanation: The formula for kinetic energy in terms of momentum for fundamental particles is basically just a quantized version of the classical formula, KE=(P^2)/2m, where KE is kinetic energy, p is momentum and m is the particle’s mass.

Description : The kinetic energy of an electron is directly proportional to what property?

Last Answer : Velocity.

Description : The following particles move with same kinetic energy. Which of them has maximum momentum ? (1) Electron (2) Proton (3) Deutron (4) Alpha Particle

Last Answer : Alpha Particle

Description : The kinetic energy of a bounded electron is?

Last Answer : The kinetic energy of a bounded electron is less than that of unbounded electron.

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

Description : The electrons in an atom which rotate about the nucleus possess what kind of energy?  A. Translational energy  B. Spin energy  C. Rotational kinetic energy  D. Sensible energy

Last Answer : Rotational kinetic energy

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

Description : In changing from an energy state of -1.51 electron-volts to -3.40 electron-volts, an atom emits a photon whose energy is: w) 1.51 electron-volts x) 1.89 electron-volts y) 3.40 electron-volts z) 4.91 electron-volts

Last Answer : ANSWER: X -- 1.89 ELECTRON-VOLTS

Description : For the hydrogen atom, which series describes electron transitions to the N=1 orbit, the lowest energy electron orbit? Is it the: w) Lyman series x) Balmer series y) Paschen series z) Pfund series

Last Answer : ANSWER: W -- LYMAN SERIES

Description : Which of the following terms refers to the energy released when an electron is added to a neutral atom? w) electrovalence x) electron affinity y) electroconductance z) none of these

Last Answer : ANSWER: X -- ELECTRON AFFINITY

Description : A long thread suspended from a fixed point has a small mass swinging to and fro at its lower end. Then, 1. the potential energy of the mass is minimum in the middle of the swing 2. the kinetic energy is maximum in the middle of ... /are correct? (a) 1 only (b) 1 and 2 (c) 2 and 4 (d) 1, 2, 3 and 4

Last Answer : Ans:(b)

Description : When the velocity of a body is doubled, its 1. acceleration is doubled 2. momentum is doubled 3. kinetic energy becomes four times 4. potential energy is doubled Which of the above is/are correct? (a) 2 only (b) 2 and 3 (c) 3 only (d) 2 and 4

Last Answer : Ans:(b)

Description : When a body falls from an aeroplane, there is increase in its – (1) Kinetic energy (2) Mass (3) Acceleration (4) Potential energy

Last Answer : (3) Acceleration Explanation: The energy possessed by a body by virtue of its motion is called kinetic energy. Potential Energy is the energy possessed by virtue of its position or configuration. When a body falls from an aeroplane, there is increase in its acceleration.

Description : _________ is the energy stored within a body or substance by virtue of the activity and configuration of its molecules.  a. Internal Energy  b. External Energy  c. Kinetic Energy  d. Potential Energy

Last Answer : Internal Energy

Description : The energy that stored in a system as a result of its position in the earth’s gravitational field  a. elastic energy  b. kinetic energy  c. potential energy  d. flow energy

Last Answer : potential energy

Description : When a body falls from an aeroplane, there is increase in its (1) Kinetic energy (2) Mass (3) Acceleration (4) Potential energy

Last Answer : Acceleration

Description : What are the changes in the kinetic energy as a substance is heated to its melting point?

Last Answer : The kinetic energy increase.

Description : What is the difference between potential energy and kinetic energy?

Last Answer : Answer: Potential energy is the energy that an object possesses due to its position or state, while kinetic energy is the energy that an object possesses due to its motion. For example, a ball sitting ... relative to the ground, while a ball rolling down a hill has kinetic energy due to its motion.

Description : What is the difference between kinetic and potential energy?

Last Answer : Answer: Kinetic energy is the energy of motion, while potential energy is the energy that an object possesses due to its position or state. For example, a moving car has kinetic energy, while a ball sitting on a table has potential energy due to its position above the ground.

Description : What is the Formula for Kinetic Energy, And Potential Energy?

Last Answer : Hmm, did you try googling it? http://id.mind.net/~zona/mstm/physics/mechanics/energy/kineticEnergy/kineticEnergy.html http://id.mind.net/~zona/mstm/physics/mechanics/energy/gravitationalPotentialEnergy/gravitationalPotentialEnergy.html

Description : A particle in simple Harmonic Motion while passing through mean position will have a.Maximum kinetic energy and minimum potential energy b.Average kinetic energy and average potential energy c. ... energy d.Maximum kinetic energy and maximum e.Minimum kinetic energy and minimum potential energy

Last Answer : a. Maximum kinetic energy and minimum potential energy

Description : During SHM which of the following is conserved? a.Kinetic energy b.Potential energy c.Total energy d.Momentum e.All of the above

Last Answer : d. Momentum

Description : Which of the following statement is incorrect? a.A body can have energy without having momentum b.A body cannot have kinetic energy without having momentum c.A body in motion will always have kinetic energy more than the potential energy d.None of the above e.107 dynes

Last Answer : c. A body in motion will always have kinetic energy more than the potential energy

Description : The statement that the sum of the kinetic and potential energies of a particle in the earth's gravitational field is constant is known as a.Principle of conservation of mechanical energy b.Law of gravitation c.Newton's law d.Principle of conservation of momentum e.Law of nature

Last Answer : a. Principle of conservation of mechanical energy