Chapter 29 – Dual Nature of Matter and Radiation

Light of two different frequencies whose photons have energies 1eV and 2.5eV respectively, successively illuminate a metallic surface whose work function is 0.5 eV. Ratio of maximum speeds of emitted electrons will be Light of two different frequencies whose photons have energies 1eV and 2.5eV respectively successively illuminate a metallic surface whose work function is [...]

Which of the following has the longest de-Broglie wavelength if they are moving with the same velocity ? Which of the following has the longest de-Broglie wavelength if they are moving with the same velocity ? November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter [...]

The de-Broglie wavelength associated with a ball of mass 1 kg having kinetic energy 0.5 J is THe de - Broglie wavelength associated with a ball of mass 1 kg having kinetic energy 0.5 J is November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter [...]

The light of wavelength 4000 Å falls on a photosensitive substance whose work function is 2 eV. Its stopping potential is The light of wavelength 4000 Å falls on a photosensitive substance whose work function is 2 eV. Its stopping potential is November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics [...]

If velocity of a particle is three times of that of electron and ratio of de Broglie wavelength of particle to that of electron is 1.814 x 10^-4. The particle will be If velocity of a particle is three times of that of electron and ratio of de Broglie wavelength of particle to that of [...]

Calculate the kinetic energy of the electron having wavelength 1 nm. Calculate the kinetic energy of the electron having wavelength 1 nm. November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 29 - Dual Nature of Matter and Radiation , Physics ,

A photon is incident having frequency 1 × 10^14 sec^-1. Threshold frequency of metal is 5 × 10^13 sec^-1. Find the kinetic energy of the ejected electron. A photon is incident having frequency 1 × 10^14 sec^-1. Threshold frequency of metal is 5 × 10^13 sec^-1. Find the kinetic energy of the ejected electron. November [...]

If we assume kinetic energy of a proton is equal to energy of the photon, the ratio of de Broglie wavelength of proton to photon is proportional to If we assume kinetic energy of a proton is equal to energy of the photon the ratio of de Broglie wavelength of proton to photon is proportional [...]

If K1 and K2 are the maximum kinetic energies of the photoelectrons emitted, when light of wavelengths λ1 and λ2 respectively are incident on a metallic surface. If λ1=3λ2, then: If K1 and K2 are the maximum kinetic energies of the photoelectrons emitted then when light of wavelengths λ1 and λ2 respectively are incident on [...]

Whenever a stream of electrons collides with a stream of photons, in this collision, which of the following is not conserved? in this collision Whenever a stream of electrons collides with a stream of photons which of the following is not conserved? November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics [...]