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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 body has 80 microcoulomb of charge. Number of additional electrons in it will be
- If the length of a closed organ pipe is 1.5 m and velocity of sound is 330 m/s,
- For a thermocouple, the neutral temperature is 270⁰C when its cold junction is at 20⁰C.
- When a metallic surface is illuminated with radiation of wavelength λ,
- An ideal heat engine works between temperature T₁=500 K and T₂=375 K.
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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