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BITSAT Physics Dual Nature of Matter 2024 BITSAT 2024 (Memory Based Paper 1)

BITSAT Physics Question (2024) — Solution

Question

If the kinetic energy of a free electron doubles, it's de-Broglie wavelength changes by the factor

Options

  1. A. 2
  2. B. 1 2
  3. C. 2
  4. D. 1 2

Answer

D. 1 2

Step-by-step solution

de-Broglie wavelength, = h p = h 2 m (K E) 1 K E If K.E is doubled, becomes 2

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