When the energy of the incident radiation is increased by 20%,
When the energy of the incident radiation is increased by 20%, the kinetic energy of the photoelectrons emitted from a…
8 years ago
Physics
what is the de-Broglie wavelength of the electron accelerated through a potential
what is the de-Broglie wavelength of the electron accelerated through a potential difference of 100V? Options (a) 12.27Å (b) 1.227Å…
8 years ago
The most important characteristic of electron in the production of X-rays is
The most important characteristic of electron in the production of X-rays is Options (a) Revolution of electron around the nucleus…
8 years ago
For photoelectric emission to take place
For photoelectric emission to take place Options (a) Frequency of incident radiations should be less than threshold frequency (b) Wavelength…
8 years ago
Rate of photoelectric emission is proportional to
Rate of photoelectric emission is proportional to Options (a) Frequency of incident radiations (b) Intensity of incident radiations (c) Square…
8 years ago
When indensity of radiation is increased on a photosensitive plate, then
When indensity of radiation is increased on a photosensitive plate, then Options (a) The kinetic energy of photoelectrons increases (b)…
8 years ago
The electrons are emitted in the photoelectric effect from a metal surface
The electrons are emitted in the photoelectric effect from a metal surface Options (a) Only if the temperature of the…
8 years ago
The work function of metals is in the range of 2 eV to 5 eV.
The work function of metals is in the range of 2 eV to 5 eV. Find which of the following…
8 years ago
When a light beam of frequency v is incident on a metal surface,
When a light beam of frequency v is incident on a metal surface, photoelectrons are emitted. If these electrons describe…
8 years ago
Photons with energy 5eV are incident on a cathode C in a photoelectric cell.
Photons with energy 5eV are incident on a cathode C in a photoelectric cell. The maximum energy of emitted photoelectrons…
8 years ago