MTG NEET Physics
A photon of wavelength 4400 A is passing through vacuum. The effective mass and momentum of the photon are respectively.
29
Nov
A photon of wavelength 4400 A is passing through vacuum. The effective mass and momentum of the photon are respectively. A photon of wavelength 4400 A is passing through vacuum. The effective mass and momentum of the photon are respectively. November 29, 2020 Category: Chapter 11 - Dual Nature of Radiation and Matter , MTG [...]
A monochromatic source of light emits photons of frequency 6×10^14Hz . The power emitted by the source is 8×10^−3W . Calculate the number of photons emitted per second (Take h=6.63×10^−34J−s )
29
Nov
A monochromatic source of light emits photons of frequency 6×10^14Hz . The power emitted by the source is 8×10^−3W . Calculate the number of photons emitted per second (Take h=6.63×10^−34J−s ) A monochromatic source of light emits photons of frequency 6×10^14Hz . The power emitted by the source is 8×10^−3W . Calculate the number of [...]
A light of wavelength 4000 A is allowed to fall on a metal surface having work function 2 eV. The maximum velocity of the emitted electrons is (use h = 6.6 x 10^34 j s)
29
Nov
A light of wavelength 4000 A is allowed to fall on a metal surface having work function 2 eV. The maximum velocity of the emitted electrons is (use h = 6.6 x 10^34 j s) A light of wavelength 4000 A is allowed to fall on a metal surface having work function 2 eV. The [...]
If e/m of electron is 1⋅76×10^11Ckg^−1 and the stopping potential is 2.43 V, then the maximum velocity of the photoelectron is
29
Nov
If e/m of electron is 1⋅76×10^11Ckg^−1 and the stopping potential is 2.43 V, then the maximum velocity of the photoelectron is If e/m of electron is 1⋅76×10^11Ckg^−1 and the stopping potential is 2.43 V then the maximum velocity of the photoelectron is November 29, 2020 Category: Chapter 11 - Dual Nature of Radiation and Matter [...]
Light of frequency 7.21×10^14Hz is incident on a metal surface. Electrons with a maximum speed of 6×10^5ms^−1 are ejected from the surface. The threshold frequency for photoemission of electrons is (Given h=6.63×10^−34Js, me=9.1×10^−31kg)
29
Nov
Light of frequency 7.21×10^14Hz is incident on a metal surface. Electrons with a maximum speed of 6×10^5ms^−1 are ejected from the surface. The threshold frequency for photoemission of electrons is (Given h=6.63×10^−34Js, me=9.1×10^−31kg) Light of frequency 10^15 Hz falls on a metal surface of work function 3.5eV. The stopping potential of photoelectrons in volts is: [...]
When radiation is incident on a photoelectron emitter, the stopping potential is found to be 9V. If e/m for the electron is 1.8×10^11Ckg^−1, the maximum velocity of the ejected electrons is
29
Nov
When radiation is incident on a photoelectron emitter, the stopping potential is found to be 9V. If e/m for the electron is 1.8×10^11Ckg^−1, the maximum velocity of the ejected electrons is the maximum velocity of the ejected electrons is the stopping potential is found to be 9V. If e/m for the electron is 1.8×10^11Ckg^−1 When [...]
Light of wavelength 3×10^−7m is incident on a photosensitive surface . The stopping potential for emitted photoelectrons is 2.5 V . If the wavelength of incident light is reduced to 1.5×10^−7 m , the stopping potential for emitted photoelectrons is
29
Nov
Light of wavelength 3×10^−7m is incident on a photosensitive surface . The stopping potential for emitted photoelectrons is 2.5 V . If the wavelength of incident light is reduced to 1.5×10^−7 m , the stopping potential for emitted photoelectrons is Light of wavelength 3×10^−7m is incident on a photosensitive surface . The stopping potential for [...]
A and B are two metals with threshold frequencies 2.8×10^14Hz and 2.2×10^14Hz. Photons of energy 0.825 eV each are incident on them. Then photoelectrons are emitted in (Take h=6.6×10^−34J−s)
29
Nov
A and B are two metals with threshold frequencies 2.8×10^14Hz and 2.2×10^14Hz. Photons of energy 0.825 eV each are incident on them. Then photoelectrons are emitted in (Take h=6.6×10^−34J−s) A and B are two metals with threshold frequencies 2.8×10^14Hz and 2.2×10^14Hz. Photons of energy 0.825 eV each are incident on them. Then photoelectrons are emitted [...]
In the experimental arrangement of photoelectric effect, the metal surface is first illuminated with violet light and then with ultraviolet light and the stopping potential is determined in each case. The stopping potential will
29
Nov
In the experimental arrangement of photoelectric effect, the metal surface is first illuminated with violet light and then with ultraviolet light and the stopping potential is determined in each case. The stopping potential will In the experimental arrangement of photoelectric effect the metal surface is first illuminated with violet light and then with ultraviolet light [...]
A metal surface ejects electrons when hit by green light but none when hit by yellow light. The electrons will be ejected when the surface is hit by
29
Nov
A metal surface ejects electrons when hit by green light but none when hit by yellow light. The electrons will be ejected when the surface is hit by A metal surface ejects electrons when hit by green light but none when hit by yellow light. The electrons will be ejected when the surface is hit [...]