In photoelectric effect, the photoelectric current
In photoelectric effect, the photoelectric current Options (a) depends both on intensity and frequency of incident beam (b) does not…
8 years ago
Physics
Maximum kinetic energy of electrons emitted in photoelectric effect increases when
Maximum kinetic energy of electrons emitted in photoelectric effect increases when Options (a) intensity of light is increased (b) light…
8 years ago
Energy of photon whose frequency is 10¹² MHz will be
Energy of photon whose frequency is 10¹² MHz will be Options (a) 4.14x10³ KeV (b) 4.14x10² eV (c) 4.14x10³ MeV…
8 years ago
When radiation is incident on a photoelectron emitter,
When radiation is incident on a photoelectron emitter, the stopping potential is found to be 9 volt. If e/m for…
8 years ago
Photocells convert
Photocells convert Options (a) heat energy into electrical energy (b) light energy into mechanical energy (c) thermal energy into mechanical…
8 years ago
The number of photons of wavelength of 540 nm emitted per second by an electric bulb
The number of photons of wavelength of 540 nm emitted per second by an electric bulb of power 100 W…
8 years ago
Maximum velocity of the photoelectron emitted by a metal is 1.8×10⁶ ms⁻¹.
Maximum velocity of the photoelectron emitted by a metal is 1.8x10⁶ ms⁻¹. Take the value of specific charge of the…
8 years ago
The additional energy that should be given to an electron to reduce its de-Broglie
The additional energy that should be given to an electron to reduce its de-Broglie wavelength from 1nm to 0.5nm is…
8 years ago
The Davisson- Germer experiment is the direct evidence of
The Davisson- Germer experiment is the direct evidence of Options (a) particle nature of electrons (b) wave nature of electrons…
8 years ago
Photons of 5.5 eV energy fall on the surface of the metal emitting photoelectrons
Photons of 5.5 eV energy fall on the surface of the metal emitting photoelectrons on maximum kinetic energy 4.0eV. The…
8 years ago