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MHT CET Physics question

PhysicsDual Nature of Matter and RadiationMHT CET

The radiation corresponding to transition of hydrogen atoms falls on a metal surface to produce photoelectrons. These electrons are made to enter a magnetic field of T. If the radius of the largest circular path followed by these electrons is 10.0 mm, the work function of the metal is close to

Answer: (B)

Solution

Photon energy eV; eV, so eV; 1.8 eV

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Question ID VK-084787