When a light beam of frequency v is incident on a metal surface,
When a light beam of frequency v is incident on a metal surface, photoelectrons are emitted. If these electrons describe…
8 years ago
Questions
Photons with energy 5eV are incident on a cathode C in a photoelectric cell.
Photons with energy 5eV are incident on a cathode C in a photoelectric cell. The maximum energy of emitted photoelectrons…
8 years ago
When a metallic surface is illuminated with radiation of wavelength λ,
When a metallic surface is illuminated with radiation of wavelength λ, the stopping potential is V. If the same surface…
8 years ago
The de-Broglie wavelength associated with an electron accelerated by a potential
The de-Broglie wavelength associated with an electron accelerated by a potential of 64 V is Options (a) 0.153 nm (b)…
8 years ago
Consider two particles of different masses. In which of the following situations
Consider two particles of different masses. In which of the following situations the heavier of the two particles will have…
8 years ago
The work function for aluminium is 4.125 eV. The cutoff wavelength for photoelectric
The work function for aluminium is 4.125 eV. The cutoff wavelength for photoelectric effect for aluminium will be Options (a)…
8 years ago
The velocity of radio-waves is 3×10⁵ km/s. The frequency corresponding to wavelength
The velocity of radio-waves is 3x10⁵ km/s. The frequency corresponding to wavelength of 300 m is Options (a) 1 MHz…
8 years ago
Light of frequency 8×10¹⁵ Hz is incident on a substance of photoelectric work
Light of frequency 8x10¹⁵ Hz is incident on a substance of photoelectric work function 6.125 eV. The maximum kinetic energy…
8 years ago
The photoelectric threshold wevelength for potassium (work function being 2 eV) is
The photoelectric threshold wevelength for potassium (work function being 2 eV) is Options (a) 620 nm (b) 310 nm (c)…
8 years ago
Photons of energy 6 eV are incident on a metal surface whose work function is 4 eV.
Photons of energy 6 eV are incident on a metal surface whose work function is 4 eV. The minimum kinetic…
8 years ago