List of top Chemistry Questions on de broglie hypothesis

What is the de Broglie wavelength of the particle having kinetic energy of $ 2E $?
According to the wave-particle duality of matter by de-Broglie, which of the following graph plot presents most appropriate relationship between wavelength of electron () and momentum of electron (p)?
The de-Broglie's wavelength of an electron in the \( 4^{\text{th}} \) orbit is ______ \( \pi a_0 \). (\( a_0 = \text{Bohr's radius} \))
The Principle of Uncertainty was introduced by:
In the beginning of the 20th century, the matter wave concept was introduced by:

The wavelength of an electron is \( 10^3 \) nm. What is its momentum in kg m s\(^{-1}\)?

The wavelength of an electron moving with a velocity of \( 2.2 \times 10^7 \, \text{ms}^{-1} \) is:
The de Broglie wavelength of an electron travelling with 20% of velocity of light is
The de Broglie wavelengths of electron waves in two orbits is 3:5. The ratio of kinetic energy of electrons will be