The energy that should be added to an electron


Asked by admin @ in Physics viewed by 286 People


5. The energy that should be added to an electron to

reduce its De broglie wavelength from 10-10m to0.5 x 10-10 m will be :​

Answered by admin @



Answer:

Thrice the initial energy

Explanation:

Let us consider the equation

         λ=h2mE

λ1λ2=E2E1

⇒ 1×10−90.5×10−9=E2E1


Similar Questions

What information is needed to determine the energy of an electron in a many-electron atom?

Asked by maham237 @ in Chemistry viewed by 946 persons

What information is needed to determine the energy of an electron in a many-electron atom? Check all that apply. What information is needed to determine the orientation of orbital? What …

The energy required to remove an electron from an atom

Asked by admin @ in Chemistry viewed by 321 persons

What is the energy required to remove an electron from an atom in the gaseous state called

How many electrons can fit in the second energy level

Asked by admin @ in Chemistry viewed by 322 persons

How many electrons can fit in the second energy level?

When is the energy of electron regarded as zero

Asked by admin @ in Chemistry viewed by 271 persons

When is enery of electon regarded as zero?

In a hydrogen atom if the energy of electron

Asked by admin @ in Chemistry viewed by 310 persons

in a hydrogen atom,if energy of an electron in groundstate is 13.6eV, then the energy in the 2nd excited state is

A single electron in an ion has ionization energy

Asked by admin @ in Chemistry viewed by 331 persons

A single electron in an ion head ionisation energy equal to 217.6 eV. What is the total number of neutrons present in one ion of it?

The kinetic energy which an electron acquires when accelerated

Asked by admin @ in Physics viewed by 303 persons

The kinetic energy which an electron acquires when accelerated through a potential of 1 volt is.?

The total energy of an electron in an atom

Asked by admin @ in Physics viewed by 307 persons

The total energy of an electron in an atom in an orbit is –3.4 eV. Its kinetic and potential energies are ?

One million electrons are added to a glass rod

Asked by admin @ in Physics viewed by 280 persons

1 million electrons are added to a glass rod the total charge on the rod is​

The energy of an electron of 2py orbital is

Asked by admin @ in Chemistry viewed by 286 persons

The energy of an electron of 2py or​

The electron energy in hydrogen atom is given by

Asked by admin @ in Chemistry viewed by 306 persons

Question 2.19 The electron energy in hydrogen atom is given by En = (–2.18 × 10–18)/n2 J. Calculate the energy required to remove an electron completely from the n = …

When an electron is added in valence shell then

Asked by admin @ in Chemistry viewed by 306 persons

When an electron is added in valence shell then​

The total energy of an electron inside an atom is

Asked by admin @ in Chemistry viewed by 301 persons

3 The total energy of an electron inside an atom is more than zero less than zero infinite zero

As electron moves away from the nucleus its kinetic energy

Asked by admin @ in Chemistry viewed by 259 persons

As the electron moves away from the nucleus its potential energy and kinetic energy is ? plz answer this question as soon as possible!!!

The energy band in which free electrons exist is the

Asked by admin @ in Physics viewed by 273 persons

The energy band in which free electrons exist is first bandconduction bandsecond bandvalence band​

Most viewed questions in Physics


Jeevandeep health and physical education std 10 answers pdf

Asked by admin @ in Physics viewed by 11067 persons


Hc verma physics class 9 solutions of describing motion

Asked by admin @ in Physics viewed by 2664 persons


How to leave nightmare land answer key

Asked by maham237 @ in Physics viewed by 1594 persons



Base area and stability of some objects with different shapes

Asked by admin @ in Physics viewed by 1525 persons


Which of the following statements about safe lifting are correct

Asked by admin @ in Physics viewed by 1512 persons


Porous water-absorbing mass of fibers

Asked by wiki @ in Physics viewed by 1491 persons



Absorption of water by filter paper is due to

Asked by admin @ in Physics viewed by 1432 persons


A composite wire of uniform diameter 3mm

Asked by admin @ in Physics viewed by 1403 persons


At a distance l 400m from the traffic light

Asked by admin @ in Physics viewed by 1320 persons



A rocket of mass m is launched straight up with thrust f⃗ thrust.

Asked by maham237 @ in Physics viewed by 1311 persons


Mind map for light reflection and refraction class 10

Asked by admin @ in Physics viewed by 1143 persons



A thief runs at a speed of 10m s

Asked by admin @ in Physics viewed by 1095 persons


A 5.8 x 10 4 watt elevator motor can lift

Asked by maham237 @ in Physics viewed by 1080 persons