मराठी

How will the de-Broglie wavelength associated with an electron be affected when the accelerating potential is increased? Justify your answer. - Physics

Advertisements
Advertisements

प्रश्न

How will the de-Broglie wavelength associated with an electron be affected when the accelerating potential is increased? Justify your answer.

टीपा लिहा

उत्तर

The electron's speed increases as the accelerating potential increases. The electron's momentum increases, and the wavelength decreases according to the de-Broglie wavelength formula. As a result, the de-Broglie wavelength of the electron will decrease.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2022-2023 (March) Delhi Set 1

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्‍न

What is the de Broglie wavelength of a bullet of mass 0.040 kg travelling at the speed of 1.0 km/s?


Show that the wavelength of electromagnetic radiation is equal to the de Broglie wavelength of its quantum (photon).


Obtain the de Broglie wavelength associated with thermal neutrons at room temperature (27°C). Hence explain why a fast neutron beam needs to be thermalised with the environment before it can be used for neutron diffraction experiments.


State any one phenomenon in which moving particles exhibit wave nature.


70 cal of heat is required to raise the temperature of 2 moles of an ideal gas at constant pressure from 30°C to 35°C. The amount of heat required to raise the temperature of the gas through the same range at constant volume will be (assume R = 2 cal/mol-K).


A particle is dropped from a height H. The de Broglie wavelength of the particle as a function of height is proportional to ______.


An electron is moving with an initial velocity `v = v_0hati` and is in a magnetic field `B = B_0hatj`. Then it’s de Broglie wavelength ______.


A particle moves in a closed orbit around the origin, due to a force which is directed towards the origin. The de Broglie wavelength of the particle varies cyclically between two values λ1, λ2 with λ1 > λ2. Which of the following statement are true?

  1. The particle could be moving in a circular orbit with origin as centre.
  2. The particle could be moving in an elliptic orbit with origin as its focus.
  3. When the de Broglie wavelength is λ1, the particle is nearer the origin than when its value is λ2.
  4. When the de Broglie wavelength is λ2, the particle is nearer the origin than when its value is λ1.

Two particles A and B of de Broglie wavelengths λ1 and λ2 combine to form a particle C. The process conserves momentum. Find the de Broglie wavelength of the particle C. (The motion is one dimensional).


Given below are two statements:

Statement - I: Two photons having equal linear momenta have equal wavelengths.

Statement - II: If the wavelength of photon is decreased, then the momentum and energy of a photon will also decrease.

In the light of the above statements, choose the correct answer from the options given below.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×