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IIT JEE 2006 Paper : PHYSICS Section II - Multiple Answers

Each question has one or more than one correct choice among (a), (b), (c) and (d). Write down all the correct choices in alphabetical order without any spaces in between.
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iit_jee_2006_physics_multiple_answers_5a The graph of (1/λ) versus stopping potential (Vs) for three metals having work functions φ1, φ2 and φ3 is plotted in an experiment demonstrating photoelectric effect, where λ is the wavelength of incident radiation. Then,

(a) φ1 : φ2 : φ3 = 1 : 2 : 4.
(b) φ1 : φ2 : φ3 = 4 : 2 : 1.
(c) tan θ = (hc / e)
(d) Violet coloured light would be able to liberate photoelectrons from the surface of metals 2 and 3.


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