jee_main_2026_21_jan_evening - Dual Nature of Radiation and Matter Topics

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QUESTION #48 De Broglie Wavelength
A particle having electric charge 3 times 10^-19 text C and mass 6 times 10^-27 text kg is accelerated by applying an electric potential of 1.21 text V. Wavelength of the matter wave associated with the particle is alpha times 10^-12 text m. The value of alpha is ________. (Take Planck's constant = 6.6 times 10^-34 text Jcdottexts)
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JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)
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