List of top Chemistry Questions on de broglie hypothesis

The kinetic energy of a fast-moving particle of mass $1 \times 10^{-31}\text{ kg}$ is associated with a de Broglie wavelength $63\text{ nm}$ is ($h = 6.3 \times 10^{-34}\text{ Js}$)}

The de-Broglie wavelength of an electron accelerated from rest through a potential difference of $100\text{ V}$ is approximately:

If the de-Broglie wavelength of a particle of mass (\(m\)) is \(100\) times its velocity, then its value in terms of its mass (\(m\)) and Planck's constant (\(h\)) is:
Calculate the de Broglie wavelength of an electron accelerated through a potential difference of \(100\,V\).
Calculate the de Broglie wavelength of an electron accelerated through a potential difference of \(100V\).
Which of the following represents de Broglie equation?
What is the de Broglie wavelength of a particle at rest?
The de Broglie wavelength associated with an electron accelerated by a potential of 64 V is ____.
Calculate the de Broglie wavelength of an electron accelerated through a potential difference of \(100\,\text{V}\).
A sub-atomic particle of mass $6.63\times10^{-31}\ \text{kg}$ is moving with a velocity of $1\times10^{6}\ \text{m s}^{-1}$. What is the de Broglie wavelength (in nm) associated with it ($h=6.63\times10^{-34}\ \text{J s}$)?
A sub-atomic particle of mass \(2.2 \times 10^{-2} \, kg\) is moving with a velocity of \(3.0 \times 10^5 \, ms^{-1}\). What is its de Broglie wavelength? (Planck's constant \(h = 6.6 \times 10^{-34} \, Js\))
What is the de Broglie wavelength of the particle having kinetic energy of $ 2E $?
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 de-Broglie's wavelength of an electron in the \( 4^{\text{th}} \) orbit is ______ \( \pi a_0 \). (\( a_0 = \text{Bohr's radius} \))
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 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
An electron, helium ion (\( \text{He}^{++} \)) and proton having the same kinetic energy. The relation between their respective de-Broglie wavelengths \( \lambda_e, \lambda_{\text{He}^{++}} \) and \( \lambda_p \) is
What is the wavelength associated with an electron moving with a velocity of \(10^6 \, \text{m/s}\)?
(\(h = 6.63 \times 10^{-34} \, \text{Js}\))
The ratio of de-Broglie wavelengths for electrons accelerated through \(200\,V\) and \(50\,V\) is:
Two particles A and B of same mass have their de Broglie wavelengths in the ratio $\lambda_A : \lambda_B = k : 1$. Their potential energies $U_A : U_B = 1 : k^2$. The ratio of their total energies $E_A : E_B$ is
If Planck’s constant h = 6.6×10⁻34Js, the de Broglie wavelength of a particle having momentum 3.3×10⁻24kg m s⁻1 will be:
The de Broglie wavelengths of electron waves in two orbits is 3:5. The ratio of kinetic energy of electrons will be