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Which of the given colors do not show photoelectric effect from this experiment?

$\begin {array} {1 1} (a)\;Blue & \quad (b)\;Green \\ (c)\;Orange & \quad (d)\;Violet \end {array}$

 

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Ans : (c)
Photoelectric effect in this experiment will not be possible if the energy
of incident photon is less than that of yellow light, which is so
for orange ligth.

 

answered Dec 30, 2013 by thanvigandhi_1
edited Mar 13, 2014 by thanvigandhi_1
 

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