The de Broglie wavelength for an electron accelerated through the potential difference of V₁ volt is λ₁. When the potential difference is changed to V₂ volt, the associated de Broglie wavelength is increased by 50%. If (V₁/V₂)=(9/α), then the value of α is _ _ _.

Dual Nature of Matter and Radiation: JEE Main 2026 Physics question

JEE Main 2026 · 6 Apr, Evening shift · Q47

JEE Main 20266 Apr, Evening shiftPhysicsMediumDual Nature of Matter and Radiation146× since 2002

The de Broglie wavelength for an electron accelerated through the potential difference of

V_1

volt is

\lambda_1

. When the potential difference is changed to

V_2

volt, the associated de Broglie wavelength is increased by 50%. If

(V_1/V_2)=(9/\alpha)

, then the value of

\alpha

is ______.

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2026 Dual Nature of Matter and Radiation Question with Solution (6 Apr Evening shift, Q47) | JEE Arc