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The additional energy that should be given to an electron to reduce its de-Broglie wavelength from 1nm to 0.5nm is
Options
(a) 2 times the initial kinetic energy
(b) 3 times the initial kinetic energy
(c) 0.5 times the initial kinetic energy
(d) 4 times the initial kinetic energy
Correct Answer:
3 times the initial kinetic energy
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
- A gramophone record is revolving with an angular velocity ?. A coin is placed at
- Find the fundamental frequency of a closed pipe if the length of air column is 42m.
- The wavelength of kα, X-rays produced by an X-ray tube 0.76Å. The atomic number
- The temperature coefficient of a resistance wire is 0.00125 per degree.
- Three objects coloured black, gray and white can withstand hostile conditions upto 2800⁰C.
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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