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A metal having work function of 2 eV is ...

A metal having work function of 2 eV is placed inside a magnetic field. Light of wavelength 400 nm is incident on this metal , and it is found that emitted electrons go around in circular paths . Maximum possible radius is found to be 25 cm . Find the magnetic field strength .

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To solve the problem step by step, we will follow the principles of the photoelectric effect and the motion of charged particles in a magnetic field. ### Step 1: Calculate the energy of the incident photons We know that the energy of a photon can be calculated using the formula: \[ E = \frac{hc}{\lambda} \] Where: ...
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