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Sodium and copper have work function 2.3 eV and 4.5 eV respectively. The ratio of their threshold wavelengths is nearest to
Options
(a) 1 : 2
(b) 4 : 1
(c) 2 : 1
(d) 1 : 4
Correct Answer:
2 : 1
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)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The condition for obtaining secondary maxima in the diffraction pattern
- The charges Q, +q, and +q are placed at the vartices of an equilateral
- The phase difference between the flux linked with a coil rotating in a uniform
- The ionisation potential of hydrogen-atom is -13.6 eV. An electron in the groundstate
- All components of the electromagnetic spectrum in vacuum have the same
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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