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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.
Related Questions: - Two tangent galvanometers A and B have coils of radii 8 cm and 16 cm respectively
- A body of mass 0.5 kg travels in a straight line with velocity v=a x³/², where
- A p-n photodiode is made of a material with a band gap of 2.0 eV
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Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two tangent galvanometers A and B have coils of radii 8 cm and 16 cm respectively
- A body of mass 0.5 kg travels in a straight line with velocity v=a x³/², where
- A p-n photodiode is made of a material with a band gap of 2.0 eV
- A hemispherical bowl of radius R is rotating about its axis of symmetry
- A resistance R draws power P when connected to an AC source. If an inductance
Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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