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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
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A generator at a utility company produces 100 A of current at 4000 V. The voltage
- A uniform force of (3i + j) newton acfs on a particle of mass 2kg
- A mixture consists of two radioactive materials A₁ and A₂ with half lives of 20s
- A boat is sent across a river with a velocity of 8 km/h.If the resultant velocity
- During an adiabatic process, the cube of the pressure is found to be inversely
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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