Part 2
The de – Broglie wavelength of a neutron at 27∘C is λ. What will be its wavelength at 927∘C?
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Jun
The de – Broglie wavelength of a neutron at 27∘C is λ. What will be its wavelength at 927∘C? The de - Broglie wavelength of a neutron at 27∘C is λ. What will be its wavelength at 927∘C? June 17, 2021 Category: Cengage NEET by C.P Singh , Chapter 11 - Photoelectric Effect , Part [...]
If the kinetic energy of the particle is increased to 16 times , the percentage change in the de – Broglie wavelength of the particle is
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Jun
If the kinetic energy of the particle is increased to 16 times , the percentage change in the de – Broglie wavelength of the particle is If the kinetic energy of the particle is increased to 16 times the percentage change in the de-Broglie wavelength of the particle is June 17, 2021 Category: Cengage NEET [...]
In which of the following situations, the heavier of the two particles has smaller de Broglie wavelength ? The two particle
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Jun
In which of the following situations, the heavier of the two particles has smaller de Broglie wavelength ? The two particle In which of the following situations the heavier of the two particles has smaller de Broglie wavelength ? The two particle June 17, 2021 Category: Cengage NEET by C.P Singh , Chapter 11 - [...]
A photon of energy E ejects a photoelectron from a metal surface whose work function is ϕ0. If this electron enters into a uniform magnetic field of induction B in a direction perpendicular to the field and describes a circular path of radius r, then the radius r, is given by, (in the usual notation)
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Jun
A photon of energy E ejects a photoelectron from a metal surface whose work function is ϕ0. If this electron enters into a uniform magnetic field of induction B in a direction perpendicular to the field and describes a circular path of radius r, then the radius r, is given by, (in the usual notation) [...]
The electric field associated with a light wave is given by E = E0 × sin [(1.57×10^7m^−1)(x−ct)] The stopping potential when this light is used in an experiment on photoelectric effect with the similar having work function 1.9 eV
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Jun
The electric field associated with a light wave is given by E = E0 × sin [(1.57×10^7m^−1)(x−ct)] The stopping potential when this light is used in an experiment on photoelectric effect with the similar having work function 1.9 eV If the distance of 100 Watt lamp is increased from a photocell the saturation current i [...]
A proton and an electron are accelerated by the same potential difference, let λe and λp denote the de-Broglie wavelengths of the electron and the proton respectively
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Jun
A proton and an electron are accelerated by the same potential difference, let λe and λp denote the de-Broglie wavelengths of the electron and the proton respectively A proton and an electron are accelerated by the same potential difference let λe and λp denote the de-Broglie wavelengths of the electron and the proton respectively June [...]
An electron, accelerated by a potential difference V, has de-Broglie wavelength λ. If the electron is accelerated by a potential difference 4V, its de -Broglie wavelength will be
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Jun
An electron, accelerated by a potential difference V, has de-Broglie wavelength λ. If the electron is accelerated by a potential difference 4V, its de -Broglie wavelength will be accelerated by a potential difference V An electron has de-Broglie wavelength λ. If the electron is accelerated by a potential difference 4V its de -Broglie wavelength will [...]
A beam of light of wavelength λ is incident on a metal having work function ϕ and placed in a magnetic field B. The most energetic electrons emitted perpendicular to the field are bent in circular arcs of radius R. Then
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Jun
A beam of light of wavelength λ is incident on a metal having work function ϕ and placed in a magnetic field B. The most energetic electrons emitted perpendicular to the field are bent in circular arcs of radius R. Then If the distance of 100 Watt lamp is increased from a photocell the saturation [...]
The collector plate in an experiment on photoelectric effect is kept vertically above the emitter plate . Light source is put on and a saturation photo current is recorded . An electric field is switched on which has a vertically downward direction .
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Jun
The collector plate in an experiment on photoelectric effect is kept vertically above the emitter plate . Light source is put on and a saturation photo current is recorded . An electric field is switched on which has a vertically downward direction . If the frequency of light in a photoelectric experiment is doubled the [...]
When a monochromatic point source of light is at a distance of 0.2 m from a photoelectric cell, the cut off voltage and the saturation current are respectively 0.6 V and 18.0 mA. If the same source is placed 0.6 m away from the photoelectric cell, then
17
Jun
When a monochromatic point source of light is at a distance of 0.2 m from a photoelectric cell, the cut off voltage and the saturation current are respectively 0.6 V and 18.0 mA. If the same source is placed 0.6 m away from the photoelectric cell, then the cut off voltage and the saturation current [...]