Electrons are emitted with zero velocity

Given the wavelength of radiation is. But the electrons are emitted with zero velocity from a metal surface when it is exposed to radiation. That means the kinetic energy will be zero.

Mention its one practical application in daily life. Calculate thresholds freqency V o and work function W o of the mental. Calculate threshold frequency v 0 and work function W 0 of the metal. Calculate i threshold frequency ii work function. Will there be photoelectric emission or not? Determine the work function of the metal, the threshold wavelength of metal and the stopping potential difference required to stoop the emission of electrons.

Electrons are emitted with zero velocity

Electrons are emitted from an electron gun at almost zero velocity and are accelerated by an electric field E through a distance of 1. The electrons are now scattered by an atomic hydrogen sample in ground state. What should be the minimum value of E so that red light of wavelength Byju's Answer. Open in App. The given wavelength in Balmer series. An electron of kinetic energy E 0 is scattered by an atomic hydrogen sample in ground state. The minimum value of E 0 , so that a photon of wavelength A sample of hydrogen is bombarded by electrons. Through what potential difference should the electrons be accelerated so that third line of Lyman series be emitted?

Calculate the work function of the metal if stopping potential is 0.

Mention its one practical application in daily life. Calculate thresholds freqency V o and work function W o of the mental. Calculate threshold frequency v 0 and work function W 0 of the metal. Calculate i threshold frequency ii work function. Will there be photoelectric emission or not? Determine the work function of the metal, the threshold wavelength of metal and the stopping potential difference required to stoop the emission of electrons. When a certain metal was irradiated with light of frequency 1.

Given the wavelength of radiation is. But the electrons are emitted with zero velocity from a metal surface when it is exposed to radiation. That means the kinetic energy will be zero. So, the Threshold frequency will be:. JEE Main session 2 exam city intimation slip expected by March last week. Dont't have an account? Register Now.

Electrons are emitted with zero velocity

Being fermions , no two electrons can occupy the same quantum state , per the Pauli exclusion principle. The wave properties of electrons are easier to observe with experiments than those of other particles like neutrons and protons because electrons have a lower mass and hence a longer de Broglie wavelength for a given energy. Electrons play an essential role in numerous physical phenomena, such as electricity , magnetism , chemistry , and thermal conductivity ; they also participate in gravitational , electromagnetic , and weak interactions. Electromagnetic fields produced from other sources will affect the motion of an electron according to the Lorentz force law. Electrons radiate or absorb energy in the form of photons when they are accelerated. Laboratory instruments are capable of trapping individual electrons as well as electron plasma by the use of electromagnetic fields. Special telescopes can detect electron plasma in outer space. Electrons are involved in many applications, such as tribology or frictional charging, electrolysis, electrochemistry, battery technologies, electronics , welding , cathode-ray tubes , photoelectricity, photovoltaic solar panels, electron microscopes , radiation therapy , lasers , gaseous ionization detectors , and particle accelerators. Interactions involving electrons with other subatomic particles are of interest in fields such as chemistry and nuclear physics. The Coulomb force interaction between the positive protons within atomic nuclei and the negative electrons without allows the composition of the two known as atoms.

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Calculate thresholds freqency V o and work function W o of the mental. Will there be photoelectric emission or not? Calculate the work function of the metal if stopping potential is 0. Medicine and Allied Sciences Change. Was this answer helpful? Calculate the wavelength of first line of Lyman series of ten times i Welcome Back : To keep connected with us please login with your personal information by phone. The given wavelength in Balmer series. Will there be photoelectric emission or not? Com Colleges in India. Latest Question A sum of money under compound interest doubles itself in 4 years. Media, Mass Communication and Journalism Change.

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Media, Mass Communication and Journalism Change. Calculate the work function of the metal if stopping potential is 0. Using s, p, d notations, describe the orbital with the following quant Determine the work function of the metal, the threshold wavelength of metal and the stopping potential difference required to stoop the emission of electrons. Com Colleges in Mumbai Top B. Com Master of Commerce M. When a certain metal was irradiated with light of frequency 1. Create Your Account Name. If its K. Was this answer helpful? I am already a member. A 25 watt bulb emits monochromatic yellow light of wavelength of 0.