Chapter 29 – Dual Nature of Matter and Radiation
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Photons with energy 5eV are incident on a cathode C in a photoelectric cell . The maximum energy of emitted photoelectrons is 2eV. When photons of energy 6eV are incident on C, no photoelectrons will reach the anode A, if the stopping potential of A relative to C is energy of emitted photoelectrons is 2eV. When photons of energy 6eV are incident on C, no photoelectrons will reach the anode A, if the stopping potential of A relative to C is
21
Aug
Photons with energy 5eV are incident on a cathode C in a photoelectric cell . The maximum energy of emitted photoelectrons is 2eV. When photons of energy 6eV are incident on C, no photoelectrons will reach the anode A, if the stopping potential of A relative to C is energy of emitted photoelectrons is 2eV. [...]
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if the stopping potential of A relative to C is ,
if the stopping potential of A relative to C is energy of emitted photoelectrons is 2eV. When photons of energy 6eV are incident on C ,
no photoelectrons will reach the anode A ,
Photons with energy 5eV are incident on a cathode C in a photoelectric cell . The maximum energy of emitted photoelectrons is 2eV. When photons of energy 6eV are incident on C ,
When a metallic surface is illuminated with radiation of wavelength λ the stopping potential is V. If the same surface is illuminated with radiation of wavelength 2λ, the stopping potential is V/4. the threshold wavelength for the metallic surface is.
21
Aug
When a metallic surface is illuminated with radiation of wavelength λ the stopping potential is V. If the same surface is illuminated with radiation of wavelength 2λ, the stopping potential is V/4. the threshold wavelength for the metallic surface is. the stopping potential is V/4. the threshold wavelength for the metallic surface is When a [...]
The photoelectric threshold wavelength of silver is 3250×10^−10m. The velocity of the electron ejected from a silver surface by ultraviolet light of wavelength 2536×10−10m is : (Given h=4.14×10−15eVs and c=3×108ms−1)
21
Aug
The photoelectric threshold wavelength of silver is 3250×10^−10m. The velocity of the electron ejected from a silver surface by ultraviolet light of wavelength 2536×10−10m is : (Given h=4.14×10−15eVs and c=3×108ms−1) August 21, 2020 Category: Chapter 29 - Dual Nature of Matter and Radiation , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry [...]
A radio transmitter operates at a frequency 880 kHz and a power of 10kW. The number of photons emitted per second is
13
Aug
A radio transmitter operates at a frequency 880 kHz and a power of 10kW. The number of photons emitted per second is A radio transmitter operates at a frequency 880 kHz and a power of 10kW. The number of photons emitted per second is August 13, 2020 Category: Chapter 29 - Dual Nature of Matter [...]
The momentum of photon of electromagnetic radiation is 3.3×10^−29 kgm/s. What is the frequency of the associated waves ?
13
Aug
The momentum of photon of electromagnetic radiation is 3.3×10^−29 kgm/s. What is the frequency of the associated waves ? The momentum of photon of electromagnetic radiation is 3.3×10−29kgms−1. What is the frequency of the associated waves ? August 13, 2020 Category: Chapter 29 - Dual Nature of Matter and Radiation , NEET Last 32 Years [...]
The wavelength of a 1 ke V photon is 1.24 x 10-9m. What is the frequency of 1 MeV photon ?
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Aug
The wavelength of a 1 ke V photon is 1.24 x 10-9m. What is the frequency of 1 MeV photon ? The wavelength of a 1 ke V photon is 1.24 x 10-9m. What is the frequency of 1 MeV photon ? August 13, 2020 Category: Chapter 29 - Dual Nature of Matter and Radiation [...]
Number of ejection photoelectron increases with increase
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Aug
Number of ejection photoelectron increases with increase Number of ejection photoelectron increases with increase August 13, 2020 Category: Chapter 29 - Dual Nature of Matter and Radiation , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
The 21 cm radio wave emitted by hydrogen in interstellar space is due to the interaction called the hyperfine interaction is atomic hydrogen. the energy of the emitted wave is nearly
13
Aug
The 21 cm radio wave emitted by hydrogen in interstellar space is due to the interaction called the hyperfine interaction is atomic hydrogen. the energy of the emitted wave is nearly The 21 cm radio wave emitted by hydrogen in interstellar space is due to the interaction called the hyperfine interaction is atomic hydrogen. the [...]
When intensity of incident light increases
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Aug
When intensity of incident light increases When intensity of incident light increases August 13, 2020 Category: Chapter 29 - Dual Nature of Matter and Radiation , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
The energy of a photon of light is 3 eV. Then the wavelength of photon must be
13
Aug
The energy of a photon of light is 3 eV. Then the wavelength of photon must be The energy of a photon of light is 3 eV. Then the wavelength of photon must be August 13, 2020 Category: Chapter 29 - Dual Nature of Matter and Radiation , NEET Last 32 Years Solved 1988 - [...]