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A and B are two metals with threshold frequencies 1.8 x 10¹⁴ Hz and 2.2 x 10¹⁴ Hz. Two identical photons of energy 0.825 eV each are incident on them. Then photoelectrons are emitted in (Take h=6.6 x 10³⁴ Js)
Options
(a) B alone
(b) A alone
(c) neither A nor B
(d) both A and B
Correct Answer:
A alone
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
- When volume of a system is increased two times and temperature is decreased
- Two liquid drops having diameters of 1 cm and 1.5 cm. The ratio of excess
- A person holding a rifle (mass of person and rifle together is 100 kg) stands on a smooth
- A thin rod of length L and mass M is bent at its midpoint into two halves
- A planet in a distinct solar system is 10 times more massive than the earth
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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