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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- On a frictionless surface, a block of mass M moving at speed v collides elastically
- A 2 kg mass starts from rest on an inclined smooth surface with inclination
- A deutron is bombarded on ₈O¹⁶ nucleus and α-particle is emitted. The product nucleus is
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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