Dual Nature of Radiation and Matter

Related Questions

• The mass of a photo electron is

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• Light of wavelength 4000 Å falls on a photosensitive metal and a negative 2V potential stops the emitted electrons. The work function of the material (in eV) is approximately $(h = 6.6 \times {10^{ - 34}}Js,\;\;e = 1.6 \times {10^{ - 19}}C,\;\;c = 3 \times {10^8}m{s^{ - 1}})$

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• An oxide coated filament is useful in vacuum tubes because essentially

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• The minimum wavelength of the X-rays produced by electrons accelerated through a potential difference of V volts is directly proportional to

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• A narrow electron beam passes undeviated through an electric field $E = 3 \times {10^4}volt/m$and an overlapping magnetic field $B = 2 \times {10^{ - 3}}Weber/{m^2}$. If electric field and magnetic field are mutually perpendicular. The speed of the electrons is

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