JEE Main 2005Annual, Paper 1PhysicsEasyDual Nature of Matter and Radiation146× since 2002If the kinetic energy of a free electron doubles, it's deBroglie wavelength changes by the factorAOption A. 222BOption B. 12{1 \over 2}21COption C. 2{\sqrt 2 }2DOption D. 12{1 \over {\sqrt 2 }}21CheckSkip · show solution