List of top Chemistry Questions on Dual nature of radiation and matter

Calculate the ratio of de Broglie wavelengths of an electron \((\lambda_e)\) and a proton \((\lambda_p)\) moving with the same velocity.

What is the ration of Debroglie wavemength of proton and neutron if kinetic energy is same for both

Calculate the de Broglie wavelength of an electron accelerated through a potential of \(100\,\text{V}\).

Pick the correct statement about electron and photon:

de Broglie wave length associated with an electron accelerated through a potential difference \( V \) is \( \lambda \). If the accelerating potential is halved, what will be the new wavelength associated with the charged particle?

Which of the following experimental phenomenon is explained by the wave nature of electromagnetic radiation?

If \( \lambda \) be the wavelength of any electromagnetic radiation, the de-Broglie wavelength of its quantum (photon) is

In the Davisson Germer experiment, the velocity of electrons emitted from the electron gun can be increased by

The energy of one mole of photons of radiation of wavelength \(300\) \(nm\) is (Given \(h\) = \(6.63 × 10^{–34}\)Js, \(N_A\) = \(6.02 × 10^{23}\) \(mol^{–1}\), \(c = 3 × 10^8\) \(ms^{–1}\))

What wavelength must electromagnetic radiation have if a photon in the beam has the same momentum as an electron moving with a speed $1.1 \times 10^5$ m/s (Planck’s constant $= 6.6 \times 10^{-34}$ Js, rest mass of electron $= 9 \times 10^{-31}$ kg)?

De-Broglie wavelength of neutron at \(27^\circ C\) is \(\lambda\). Find at \(927^\circ C\).

Consider the following statements:
Statement I: The number of emitted photoelectrons Increases with increase in frequency of incident light.
Statement II: Kinetic energy of emitted photoelectrons increases with increase in frequency of incident light