Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
An electron and a photon have the same de-Broglie wavelength. Which one of these has higher kinetic energy?
10
Sep
An electron and a photon have the same de-Broglie wavelength. Which one of these has higher kinetic energy? An electron and a photon have the same de-Broglie wavelength. Which one of these has higher kinetic energy? September 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Calculate the de-Broglie wavelengths for electrons and protons, if their speed is 10^15 m/s.
10
Sep
Calculate the de-Broglie wavelengths for electrons and protons, if their speed is 10^15 m/s. Calculate the de-Broglie wavelengths for electrons and protons if their speed is 10^15 m/s. September 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A photocell is operating in saturation mode with a photocurrent 4.8 mu A when a monochromatic radiatioin of wavelength 3000 A and power 1 mW is incident. When another monochromatic radiation of wavelength
10
Sep
A photocell is operating in saturation mode with a photocurrent 4.8 mu A when a monochromatic radiatioin of wavelength 3000 A and power 1 mW is incident. When another monochromatic radiation of wavelength 4972 A A beam of light has three wavelengths 4144 A and 6216 A with a total intensity of 3.6 * 10^-3 [...]
A beam of light has three wavelengths 4144 A, 4972 A, and 6216 A with a total intensity of 3.6 * 10^-3 Wm^-2 equally distributed among the three wavelengths. The beams fall normally on an area
10
Sep
A beam of light has three wavelengths 4144 A, 4972 A, and 6216 A with a total intensity of 3.6 * 10^-3 Wm^-2 equally distributed among the three wavelengths. The beams fall normally on an area 4972 A A beam of light has three wavelengths 4144 A and 6216 A with a total intensity of [...]
When a surface is irradiated with light of wavelength 4950 A, a photocurrent appears which vanishes if a retarding potential greater than 0.6 V is applied across the photo tube. When a different source of light
10
Sep
When a surface is irradiated with light of wavelength 4950 A, a photocurrent appears which vanishes if a retarding potential greater than 0.6 V is applied across the photo tube. When a different source of light a photocurrent appears which vanishes if a retarding potential greater than 0.6 V is applied across the photo tube. [...]
Photoelectric threshold of silver is lemda = 3800 A. Ultraviolet light of lemda = 2600 A is incident on a silver surface. Calculate: (a) the value of work function in joule and in eV?
10
Sep
Photoelectric threshold of silver is lemda = 3800 A. Ultraviolet light of lemda = 2600 A is incident on a silver surface. Calculate: (a) the value of work function in joule and in eV? Photoelectric threshold of silver is lemda = 3800 A. Ultraviolet light of lemda = 2600 A is incident on a silver [...]
The stopping potential for photoelectrons emitted from a surface illuminated by light of wavelengths 5893 A is 0.36 V. Calculate the maximum kinetic energy of photoelctrons, the work function
10
Sep
The stopping potential for photoelectrons emitted from a surface illuminated by light of wavelengths 5893 A is 0.36 V. Calculate the maximum kinetic energy of photoelctrons, the work function The stopping potential for photoelectrons emitted from a surface illuminated by light of wavelengths 5893 A is 0.36 V. Calculate the maximum kinetic energy of photoelctrons [...]
Calculate the velocity of a photoelctron if the work function of the target material is 1.25 eV and the wavelength of incident light is 4.36 * 10^-7 m. What retarding potential is necessary to stop the
10
Sep
Calculate the velocity of a photoelctron if the work function of the target material is 1.25 eV and the wavelength of incident light is 4.36 * 10^-7 m. What retarding potential is necessary to stop the A small piece of cesium metal (phi = 1.9 eV) is kept at a distance of 17.7 cm from [...]
A small piece of cesium metal (phi = 1.9 eV) is kept at a distance of 17.7 cm from a large metal plate having a charge density of 1.0 * 10^-9 C/m^2 on the surface facing the cesium piece.
10
Sep
A small piece of cesium metal (phi = 1.9 eV) is kept at a distance of 17.7 cm from a large metal plate having a charge density of 1.0 * 10^-9 C/m^2 on the surface facing the cesium piece. A small piece of cesium metal (phi = 1.9 eV) is kept at a distance of [...]
Light is incident on the cathode of a photocell and the stopping voltages are measured for light of two different wavelengths. From the data given below, determine the work functions of
10
Sep
Light is incident on the cathode of a photocell and the stopping voltages are measured for light of two different wavelengths. From the data given below, determine the work functions of determine the work functions of Light is incident on the cathode of a photocell and the stopping voltages are measured for light of two [...]