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The threshold wavelength for photoelectric emission from a material is 4800 Å.

The Threshold Wavelength For Photoelectric Emission From A Material Is Physics Question

The threshold wavelength for photoelectric emission from a material is 4800 Å. Photoelectrons will be emitted from the material, when it is illuminated with light from a

Options

(a) 40 W blue lamp
(b) 40 W green lamp
(c) 100 W red lamp
(d) 100 W yellow lamp

Correct Answer:

40 W blue lamp

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)

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