JEE Main 21 Jan 2026 Shift 2 Paper Solved Paper

Section: Physics

Question : 46 of 75

Marks: +1, -0

A particle having electric charge 3×10−19C and mass 6×10−27kg is accelerated by applying an electric potential of 1.21 V .
Wavelength of the matter wave associated with the particle is α×10−12m. The value of α is ____ .
(Take Planck's constant =6.6×10−34J.s )

[21 Jan 2026 Shift 2]

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