Electrons show diffraction effects because their de Broglie wavelength is similar to?
الیکٹران پھیلاؤ کے اثرات دکھاتے ہیں کیونکہ ان کی ڈی بروگلی طول موج کی طرح ہے؟
- Spacing between atomic layers
- Number of atomic layers
- Nature of atomic layers
- Positioning of atomic layers
Explanation
- Electrons exhibit diffraction effects because their de Broglie wavelength is similar to the spacing between atomic layers in a crystal.
- The de Broglie wavelength of an electron is given by λ = h/p, where h is Planck's constant and p is the electron's momentum.
- For electrons in a crystal, this wavelength is typically in the range of 0.1-1 nanometers, which is similar to the spacing between atomic layers in the crystal.
- As a result, electrons interact with the crystal lattice and exhibit diffraction effects, such as bending around corners or passing through the crystal in specific directions.
Related MCQs
کشش ثقل ______ کے ذریعہ دریافت ہوا؟
- Galileo Galilei
- Isaac Newton
- Albert Einstein
- Johannes Kepler
اس سوال کو وضاحت کے ساتھ پڑھیں
ریڈیو ایکٹیویٹی کی پیمائش کس آلے سے ہوتی ہے؟
- Radioactivity meter
- Geiger counter
- Roll counter
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Mass of the particle
- Magnetic field strength
- Charge of the particle
- Speed of the particle
اس سوال کو وضاحت کے ساتھ پڑھیں
- helix
- Straight
- Elliptical
- Parabolic
اس سوال کو وضاحت کے ساتھ پڑھیں
- 20.6 gallons
- 25.6 gallons
- 30.6 gallons
- 35.6 gallons